package: remove .git files from images

If you have your ./files/ directory stored in a git repository,
the .git will be included into images using precious space.
This patch removes .git directories before packing images.

Signed-off-by: Joerg Jungermann <jj@borkum.net>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 49180

package/Makefile

@@ -123,6 +123,7 @@ $(curdir)/install: $(TMP_DIR)/.build $(curdir)/system/opkg/host/install
 	$(if $(SOURCE_DATE_EPOCH),sed -i "s/Installed-Time: .*/Installed-Time: $(SOURCE_DATE_EPOCH)/" $(TARGET_DIR)/usr/lib/opkg/status)
 	@-find $(TARGET_DIR) -name CVS   | $(XARGS) rm -rf
 	@-find $(TARGET_DIR) -name .svn  | $(XARGS) rm -rf
+	@-find $(TARGET_DIR) -name .git  | $(XARGS) rm -rf
 	@-find $(TARGET_DIR) -name '.#*' | $(XARGS) rm -f
 	rm -f $(TARGET_DIR)/usr/lib/opkg/info/*.postinst*
 	rm -f $(TARGET_DIR)/usr/lib/opkg/info/*.prerm*