autotools.mk: -B is not passed on by autoreconf, use -I instead - fixes PKG_MACRO_PATHS

SVN-Revision: 25312

include/autotools.mk

@@ -39,7 +39,7 @@ define autoreconf
 				touch NEWS AUTHORS COPYING ChangeLog; \
 				$(AM_TOOL_PATHS) $(STAGING_DIR_HOST)/bin/autoreconf -v -f -i -s \
 					-B $(STAGING_DIR_HOST)/share/aclocal \
-					$(patsubst %,-B %,$(5)) \
+					$(patsubst %,-I %,$(5)) \
 					$(patsubst %,-I %,$(4)) $(4) || true; \
 			fi; \
 		) \