db: Fix type of algorithm_id (NUMERIC -> INTEGER)

This fixes a DB warning and no need for NUMERIC here.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
diff --git a/openbsc/src/db.c b/openbsc/src/db.c
index 57ea9ba..bfc7d93 100644
--- a/openbsc/src/db.c
+++ b/openbsc/src/db.c
@@ -126,8 +126,8 @@
 		")",
 	"CREATE TABLE IF NOT EXISTS AuthKeys ("
 		"id INTEGER PRIMARY KEY AUTOINCREMENT, "
-		"subscriber_id NUMERIC UNIQUE NOT NULL, "
-		"algorithm_id NUMERIC NOT NULL, "
+		"subscriber_id INTEGER UNIQUE NOT NULL, "
+		"algorithm_id INTEGER NOT NULL, "
 		"a3a8_ki BLOB "
 		")",
 	"CREATE TABLE IF NOT EXISTS AuthTuples ("