Add CC tag to build

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>

Index: expat-2.2.2/Makefile.in
===================================================================
--- expat-2.2.2.orig/Makefile.in
+++ expat-2.2.2/Makefile.in
@@ -109,7 +109,7 @@ mkdir-init:
 
 CC = @CC@
 CXX = @CXX@
-LIBTOOL = @LIBTOOL@
+LIBTOOL = @LIBTOOL@ --tag CC
 
 INCLUDES = -I$(srcdir)/lib -I.
 LDFLAGS = @LDFLAGS@