pcre: disable shared libraries for host builds

Getting rid of shared libraries for hostpkg avoids having to use rpath
hacks to find the library. It also fixes compilation with host glib2
binaries.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

package/libs/pcre/Makefile

@@ -62,6 +62,7 @@ define Package/libpcrecpp
 endef
 
 HOST_CONFIGURE_ARGS += \
+	--disable-shared \
 	--enable-utf8 \
 	--enable-unicode-properties \
 	--enable-pcre16 \