Use gcc -ansi -pedantic in 9c. Fix many non-C89-isms.
diff --git a/src/cmd/draw/crop.c b/src/cmd/draw/crop.c
index e397a31..e0710d6 100644
--- a/src/cmd/draw/crop.c
+++ b/src/cmd/draw/crop.c
@@ -9,7 +9,7 @@
Inset, /* move border in or out uniformly */
Insetxy, /* move border in or out; different parameters for x and y */
Set, /* set rectangle to absolute values */
- Blank, /* cut off blank region according to color value */
+ Blank /* cut off blank region according to color value */
/* Blank is not actually set as a mode; it can be combined with others */
};