add pthread dependency

package/git/Makefile

@@ -9,7 +9,7 @@ PKG_RELEASE:=		1
 PKG_MD5SUM:=		08af805fd59f68d9ad00a2f878cf820e
 PKG_DESCR:=		fast version control system
 PKG_SECTION:=		scm
-PKG_DEPENDS:=		libopenssl libcurl libexpat
+PKG_DEPENDS:=		libopenssl libcurl libexpat libpthread
 PKG_BUILDDEP+=		openssl curl expat
 PKG_URL:=		http://git-scm.com
 PKG_SITES:=		http://kernel.org/pub/software/scm/git/