squash 3 -Wconversion warnings

diff --git a/plugin/core/gvrender_core_fig.c b/plugin/core/gvrender_core_fig.c
index ae4ae40186310780dedd5c51edf973f54fe1a368..73d546983d81ef81fef3d1dcf8aa5103b8a6f2c5 100644 (file)
--- a/plugin/core/gvrender_core_fig.c
+++ b/plugin/core/gvrender_core_fig.c
@@ -90,7 +90,8 @@ static char *fig_string(char *s)
     return buf;
 }
 
-static int figColorResolve(int *new, int r, int g, int b)
+static int figColorResolve(int *new, unsigned char r, unsigned char g,
+  unsigned char b)
 {
 #define maxColors 256
     static int top = 0;