[PATCH] Compile sigfe.s with CFLAGS

[Jon TURNEY]

CFLAGS isn't used when compiling the generated file sigfe.s, so if that 
contains -g, it lacks source debugging information.

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2015-02-19  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* Makefile.in (sigfe.o): Use CFLAGS.

Index: cygwin/Makefile.in
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/Makefile.in,v
retrieving revision 1.278
diff -u -u -p -r1.278 Makefile.in
--- cygwin/Makefile.in	28 Jan 2015 11:43:06 -0000	1.278
+++ cygwin/Makefile.in	19 Feb 2015 13:12:11 -0000
@@ -710,7 +710,7 @@ sigfe.s: $(DEF_FILE)
 	[ -s $@ ] && touch $@
 
 sigfe.o: sigfe.s
-	$(CC) -c -o $@ $<
+	$(CC) ${CFLAGS} -c -o $@ $<
 
 ctags: CTAGS
 tags:  CTAGS