Use libvlccore C flags for libvlccore

src/Makefile.am

@@ -149,7 +149,7 @@ AM_LDFLAGS += -avoid-version
 endif
 
 libvlccore_la_SOURCES = $(SOURCES_libvlc)
-libvlccore_la_CFLAGS = `$(VLC_CONFIG) --cflags libvlc` \
+libvlccore_la_CFLAGS = `$(VLC_CONFIG) --cflags libvlccore` \
 	-DMODULE_STRING=\"main\" \
 	-DLOCALEDIR=\"$(localedir)\" \
 	-DSYSCONFDIR=\"$(sysconfdir)\" \

vlc-config.in.in

@@ -213,7 +213,7 @@ while test $# -gt 0; do
     -*)
       usage 1 1>&1
       ;;
-    libvlc)
+    libvlccore)
       cppflags="${cppflags} -D__LIBVLC__ -I${top_builddir}src/misc"
       ;;
     plugin)