tests: use 'check_PROGRAMS' instead of 'noinst_PROGRAMS'
When using 'check_PROGRAMS', autoconf/automake generates smarter
Makefiles, so that the test programs are not being compiled during
the normal 'make all', but only during 'make check'.
Change-Id: I8118ee3d3da9bdcd0c691471ef91b95dba21004a
diff --git a/tests/sgsn/Makefile.am b/tests/sgsn/Makefile.am
index bdf941d..72a7714 100644
--- a/tests/sgsn/Makefile.am
+++ b/tests/sgsn/Makefile.am
@@ -25,7 +25,7 @@
sgsn_test.ok \
$(NULL)
-noinst_PROGRAMS = \
+check_PROGRAMS = \
sgsn_test \
$(NULL)