Fix conflicting types for 'malloc' error.

Index: charresize.c
--- charresize.c.orig
+++ charresize.c
@@ -46,7 +46,6 @@ static int	bit[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x
 void
 processChar(void)
 {
-  char	*malloc();
   char	*srcimage;
   int	*dstgray;