png: fix variable clobber due to long jump

adec20c8 · Rémi Denis-Courmont · 99d4a4fd · adec20c8
Commit adec20c8 authored Nov 03, 2015 by Rémi Denis-Courmont
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modules/codec/png.c modules/codec/png.c +1 -1

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--- a/modules/codec/png.c
+++ b/modules/codec/png.c
@@ -198,7 +198,7 @@ static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )

    png_structp p_png;
    png_infop p_info, p_end_info;
-    png_bytep *p_row_pointers = NULL;
+    png_bytep *volatile p_row_pointers = NULL;

    if( !pp_block || !*pp_block ) return NULL;