[PATCH] Don't include config.h when building helpers using the native compiler

config.h contains settings for the cross compiler (most importantly
32/64bit versions of functions), so don't include it when calling the
native compiler to build the helpers.

Otherwise we get build errors like:

/usr/bin/gcc -include ../config.h -DBSD=1 -DSHELL -DIFS_BROKEN  -g -O2 -Wall    -o mkinit mkinit.c
In file included from /usr/include/sys/stat.h:107,
                 from /usr/include/fcntl.h:38,
                 from mkinit.c:50:
/usr/include/bits/stat.h:117: error: redefinition of ‘struct stat’
In file included from /usr/include/fcntl.h:38,
                 from mkinit.c:50:
/usr/include/sys/stat.h:504: error: redefinition of ‘stat’
/usr/include/sys/stat.h:455: note: previous definition of ‘stat’ was here

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
---
 src/Makefile.in |    1 -
 1 file changed, 1 deletion(-)

Index: dash-0.5.5.1/src/Makefile.in
===================================================================
--- dash-0.5.5.1.orig/src/Makefile.in
+++ dash-0.5.5.1/src/Makefile.in
@@ -165,7 +165,6 @@ COMMON_CPPFLAGS = \
 AM_CFLAGS = $(COMMON_CFLAGS)
 AM_CPPFLAGS = $(COMMON_CPPFLAGS)
 AM_CFLAGS_FOR_BUILD = -g -O2 $(COMMON_CFLAGS) 
-AM_CPPFLAGS_FOR_BUILD = $(COMMON_CPPFLAGS)
 COMPILE_FOR_BUILD = \
 	$(CC_FOR_BUILD) $(AM_CPPFLAGS_FOR_BUILD) $(CPPFLAGS_FOR_BUILD) \
 	$(AM_CFLAGS_FOR_BUILD) $(CFLAGS_FOR_BUILD)