configure.ac: wrap overly long warning flag lines
diff --git a/configure.ac b/configure.ac
index a42d475..42117b0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -309,10 +309,18 @@
dnl define an ERROR_CFLAGS Makefile variable
dnl -Wformat-nonliteral - see ext/pango/gstclockoverlay.c and http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39438
-AG_GST_SET_ERROR_CFLAGS($GST_GIT, [-Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wcast-align -Winit-self -Wmissing-include-dirs -Waddress -Waggregate-return -Wno-multichar -Wnested-externs])
+AG_GST_SET_ERROR_CFLAGS($GST_GIT, [
+ -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
+ -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wcast-align
+ -Winit-self -Wmissing-include-dirs -Waddress -Waggregate-return
+ -Wno-multichar -Wnested-externs ])
dnl define an ERROR_CXXFLAGS Makefile variable
-AG_GST_SET_ERROR_CXXFLAGS($GST_GIT, [-Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wcast-align -Winit-self -Wmissing-include-dirs -Waddress -Waggregate-return -Wno-multichar -Wnested-externs])
+AG_GST_SET_ERROR_CXXFLAGS($GST_GIT, [
+ -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
+ -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wcast-align
+ -Winit-self -Wmissing-include-dirs -Waddress -Waggregate-return
+ -Wno-multichar -Wnested-externs ])
dnl define correct level for debugging messages
AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
