#64710, Implicit declaration

diff --git a/ext/gd/gd.c b/ext/gd/gd.c
index 7da9e25a1dc67dbc362c11190063fa97508247e6..ab9d85082316dccb538140e2ade60fd5ed5270d4 100644 (file)
--- a/ext/gd/gd.c
+++ b/ext/gd/gd.c
@@ -56,6 +56,8 @@
 #if HAVE_LIBGD
 #if !HAVE_GD_BUNDLED
 # include "libgd/gd_compat.h"
+#else
+extern int overflow2(int a, int b);
 #endif
 
 static int le_gd, le_gd_font;