[PATCH] Makefile typo

Fix a typo in the toplevel makefile.

Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/Makefile b/Makefile
index 11a850cf..82f76a9 100644
--- a/Makefile
+++ b/Makefile
@@ -528,7 +528,7 @@
 
 ifdef INSTALL_MOD_STRIP
 ifeq ($(INSTALL_MOD_STRIP),1)
-mod_strip_cmd = $STRIP) --strip-debug
+mod_strip_cmd = $(STRIP) --strip-debug
 else
 mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP)
 endif # INSTALL_MOD_STRIP=1