[PATCH] translate dashes in filenames for headers install

The current filename->define translation does not scrub dashes so when
creating stub defines for like asm-x86_64/ptrace-abi.h, we get: #define
__ASM_STUB_PTRACE-ABI_H

gcc just hates that sort of thing :)

trivial attached patch adds - to the tr list to scrub it to _
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

scripts/Makefile.headersinst

@@ -109,7 +109,7 @@ quiet_cmd_mkdir		  = MKDIR   $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
 quiet_cmd_gen		  = GEN     $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
       cmd_gen		  = \
 FNAME=$(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$@)			\
-STUBDEF=__ASM_STUB_`echo $$FNAME | tr a-z. A-Z_`;			\
+STUBDEF=__ASM_STUB_`echo $$FNAME | tr a-z.- A-Z__`;			\
 (echo "/* File autogenerated by 'make headers_install' */" ;		\
 echo "\#ifndef $$STUBDEF" ;						\
 echo "\#define $$STUBDEF" ;						\