Partial revert "Fix most compiler warnings with gcc-4.9.2"

Most of the "fixes" have nothing to do with gcc-4.9.2 but are a
question of ABI/Architecture (e.g. x86 vs. AMD64). Revert these
for now.

This partially reverts commit 7b1d25a11e44bbc1cb0d2acd9f1a3d4a16ec7c90.

abis_test.c: In function ‘test_simple_sw_config’:
abis_test.c:68:2: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int’ [-Wformat=]
  printf("Start: %ld len: %zu\n", descr[0].start - simple_config, descr[0].len);
  ^
abis_test.c: In function ‘test_dual_sw_config’:
abis_test.c:111:2: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int’ [-Wformat=]
  printf("Start: %ld len: %zu\n", descr[0].start - dual_config, descr[0].len);
  ^
abis_test.c:115:2: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int’ [-Wformat=]
  printf("Start: %ld len: %zu\n", descr[1].start - dual_config, descr[1].len);
  ^
abis_test.c: In function ‘test_sw_selection’:
abis_test.c:132:2: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int’ [-Wformat=]
  printf("Start: %ld len: %zu\n", descr[0].start - load_config, descr[0].len);
  ^
abis_test.c:136:2: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int’ [-Wformat=]
  printf("Start: %ld len: %zu\n", descr[1].start - load_config, descr[1].len);
diff --git a/openbsc/tests/abis/abis_test.c b/openbsc/tests/abis/abis_test.c
index df270bf..e7e78d2 100644
--- a/openbsc/tests/abis/abis_test.c
+++ b/openbsc/tests/abis/abis_test.c
@@ -61,11 +61,11 @@
 	}
 
 	if (descr[0].len != 13) {
-		printf("WRONG SIZE: %zu\n", descr[0].len);
+		printf("WRONG SIZE: %d\n", descr[0].len);
 		abort();
 	}
 
-	printf("Start: %ld len: %zu\n", descr[0].start - simple_config, descr[0].len);
+	printf("Start: %u len: %zu\n", descr[0].start - simple_config, descr[0].len);
 	printf("file_id:  %s\n", osmo_hexdump(descr[0].file_id, descr[0].file_id_len));
 	printf("file_ver: %s\n", osmo_hexdump(descr[0].file_ver, descr[0].file_ver_len));
 }
@@ -99,20 +99,20 @@
 	}
 
 	if (descr[0].len != 13) {
-		printf("WRONG SIZE0: %zu\n", descr[0].len);
+		printf("WRONG SIZE0: %d\n", descr[0].len);
 		abort();
 	}
 
 	if (descr[1].len != 13) {
-		printf("WRONG SIZE1: %zu\n", descr[1].len);
+		printf("WRONG SIZE1: %d\n", descr[1].len);
 		abort();
 	}
 
-	printf("Start: %ld len: %zu\n", descr[0].start - dual_config, descr[0].len);
+	printf("Start: %u len: %zu\n", descr[0].start - dual_config, descr[0].len);
 	printf("file_id:  %s\n", osmo_hexdump(descr[0].file_id, descr[0].file_id_len));
 	printf("file_ver: %s\n", osmo_hexdump(descr[0].file_ver, descr[0].file_ver_len));
 
-	printf("Start: %ld len: %zu\n", descr[1].start - dual_config, descr[1].len);
+	printf("Start: %u len: %zu\n", descr[1].start - dual_config, descr[1].len);
 	printf("file_id:  %s\n", osmo_hexdump(descr[1].file_id, descr[1].file_id_len));
 	printf("file_ver: %s\n", osmo_hexdump(descr[1].file_ver, descr[1].file_ver_len));
 }
@@ -129,11 +129,11 @@
 		abort();
 	}
 
-	printf("Start: %ld len: %zu\n", descr[0].start - load_config, descr[0].len);
+	printf("Start: %u len: %zu\n", descr[0].start - load_config, descr[0].len);
 	printf("file_id:  %s\n", osmo_hexdump(descr[0].file_id, descr[0].file_id_len));
 	printf("file_ver: %s\n", osmo_hexdump(descr[0].file_ver, descr[0].file_ver_len));
 
-	printf("Start: %ld len: %zu\n", descr[1].start - load_config, descr[1].len);
+	printf("Start: %u len: %zu\n", descr[1].start - load_config, descr[1].len);
 	printf("file_id:  %s\n", osmo_hexdump(descr[1].file_id, descr[1].file_id_len));
 	printf("file_ver: %s\n", osmo_hexdump(descr[1].file_ver, descr[1].file_ver_len));