X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.main.git;a=blobdiff_plain;f=pctb%2Fstructure.h;h=0ad92a618e62386844f2ac50ebf652ac981ce754;hp=3e30e28c65dca183412c7b77ded3a7797890c412;hb=8360f12a6a457b73ebb18dbeedbb15e6ed91318b;hpb=74e4e249f2c3e848592984cb193aded6a77a341d

diff --git a/pctb/structure.h b/pctb/structure.h
index 3e30e28..0ad92a6 100644
--- a/pctb/structure.h
+++ b/pctb/structure.h
@@ -79,7 +79,7 @@ CanonImage *alloc_canon_image(int w, int h);
 
 #define CANONIMG_ALSO_STORERGB(ri)		\
   do{						\
-    char *rip= RI_PIXEL((ri),x,y);		\
+    unsigned char *rip= RI_PIXEL((ri),x,y);	\
     rip[0]= rgb >> 16;				\
     rip[1]= rgb >> 8;				\
     rip[2]= rgb;				\