Revert accidental commit to scripts/Makefile.headersinst

Commit 43dfa07fbb6b8bd5b6173a5bab48470f578c8e5b accidentally included a
fix to scripts/Makefile.headersinst which it should not have done. Revert.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

scripts/Makefile.headersinst

@@ -108,7 +108,7 @@ quiet_cmd_mkdir		  = MKDIR   $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
 
 quiet_cmd_gen		  = GEN     $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
       cmd_gen		  = \
-FNAME=$(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$@);			\
+FNAME=$(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$@)			\
 STUBDEF=__ASM_STUB_`echo $$FNAME | tr a-z.- A-Z__`;			\
 (echo "/* File autogenerated by 'make headers_install' */" ;		\
 echo "\#ifndef $$STUBDEF" ;						\