Remove leftover cruft from find -exec syntax

solenv/inc/tg_ext.mk

@@ -170,7 +170,7 @@ $(PACKAGE_DIR)/$(UNTAR_FLAG_FILE) : $(PRJ)/$(ROUT)/misc/$(TARFILE_MD5)-$(TARFILE
     $(COMMAND_ECHO)cd $(PACKAGE_DIR)$(fake_root_dir) && ( $(shell @$(TYPE) $(PRJ)/$(ROUT)/misc/$(TARFILE_MD5)-$(TARFILE_NAME).unpack)) && $(TOUCH) $(UNTAR_FLAG_FILE)
     @echo make writeable...
     @-cd $(PACKAGE_DIR) && chmod -R +rw $(TARFILE_ROOTDIR) && $(TOUCH) $(UNTAR_FLAG_FILE)
-    @-cd $(PACKAGE_DIR) && find $(TARFILE_ROOTDIR) -type d | xargs chmod a+x {{}} \;
+    @-cd $(PACKAGE_DIR) && find $(TARFILE_ROOTDIR) -type d -print0 | xargs -0 chmod a+x
 
 #add new files to patch
 $(PACKAGE_DIR)/$(ADD_FILES_FLAG_FILE) : $(PACKAGE_DIR)/$(UNTAR_FLAG_FILE) $(T_ADDITIONAL_FILES:+".dummy")