File xv-3.10a-png-gimp.patch of Package xv.7820

#
# bnc#1043479 gimp created png crashes xv
# rich.coe2@gmail.com
# it uses .text_length to determine size of buffer but strcpy's from .text
# use same method to determine correct size
#
--- xv-3.10a/xvpng.c	2017-06-08 14:45:30.462632457 -0500
+++ xvt/xvpng.c	2017-06-08 15:13:32.422848106 -0500
@@ -1149,7 +1149,7 @@ int LoadPNG(fname, pinfo)
 
     for (i = 0; i < _num_text; i++)
       commentsize += strlen(_text[i].key) + 1 +
-                     _text[i].text_length + 2;
+                     strlen(_text[i].text) + 2;
 
     if ((pinfo->comment = malloc(commentsize)) == NULL) {
       png_warning(png_ptr,"can't allocate comment string");