updated for version 7.2.372
Problem:    Cross-compiling GvimExt and xxd doesn't work.
Solution:   Change the build files. (Markus Heidelberg)
diff --git a/src/xxd/Make_cyg.mak b/src/xxd/Make_cyg.mak
index f04b7bf..ba74b18 100644
--- a/src/xxd/Make_cyg.mak
+++ b/src/xxd/Make_cyg.mak
@@ -12,6 +12,7 @@
 LIBS    =
 endif
 
+CC = gcc
 CFLAGS = -O2 -Wall -DWIN32 $(DEFINES)
 
 ifneq (sh.exe, $(SHELL))
@@ -21,7 +22,7 @@
 endif
 
 xxd.exe: xxd.c
-	gcc $(CFLAGS) -s -o xxd.exe xxd.c $(LIBS)
+	$(CC) $(CFLAGS) -s -o xxd.exe xxd.c $(LIBS)
 
 clean:
 	-$(DEL) xxd.exe