[PATCH] small fixes to checkstack

 - fix documentation
 - use $(src) in Makefile (fixes cross-compilation)

Both spottet by Geert Uytterhoeven
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Makefile

@@ -1082,7 +1082,7 @@ endif #ifeq ($(mixed-targets),1)
 .PHONY: checkstack
 checkstack:
 	$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
-	$(PERL) scripts/checkstack.pl $(ARCH)
+	$(PERL) $(src)/scripts/checkstack.pl $(ARCH)
 
 # FIXME Should go into a make.lib or something 
 # ===========================================================================

scripts/checkstack.pl

@@ -13,7 +13,7 @@
 #	M68k port by Geert Uytterhoeven and Andreas Schwab
 #
 #	Usage:
-#	objdump -d vmlinux | stackcheck_ppc.pl [arch]
+#	objdump -d vmlinux | stackcheck.pl [arch]
 #
 #	TODO :	Port to all architectures (one regex per arch)