contrib: Explicitly use gnu89 with libiconv.

diff --git a/contrib/libiconv/module.defs b/contrib/libiconv/module.defs
index 618e79d1bd0e995b413f77fcdd03bd8eb4734134..411b6e0b1e038be6427b2512fe8b8a0efe6aa830 100644 (file)
--- a/contrib/libiconv/module.defs
+++ b/contrib/libiconv/module.defs
@@ -7,5 +7,5 @@ LIBICONV.FETCH.md5 = e34509b1623cec449dfeb73d7ce9c6c6
 
 # this contrib will not build under MinGW with -std=gnu99
 ifeq (1-mingw,$(BUILD.cross)-$(BUILD.system))
-    LIBICONV.GCC.args.c_std =
+    LIBICONV.GCC.args.c_std = -std=gnu89
 endif