fix a static vs extern function mismatch

diff --git a/convert.im b/convert.im
index 9784349a1bf268f746212304f5bc44140d58d32d..3ab6d177634d5b5c4cec15cd45fb43c848c0e3ea 100644 (file)
--- a/convert.im
+++ b/convert.im
@@ -276,7 +276,7 @@ Perform a convert that only requires channel copies.
 =cut
 */
 
-i_img *
+static i_img *
 convert_via_copy(i_img *im, i_img *src, struct chan_copy *info) {
 #code src->bits <= i_8_bits
   IM_COLOR *in_line = mymalloc(sizeof(IM_COLOR) * src->xsize);