Adding OS_GIT_PATCH to rpm env

Author: smunilla

.tito/lib/origin/common.py

@@ -31,7 +31,7 @@ def get_os_git_vars():
     shell utilities. The git tree state is spoofed.
     """
     git_vars = {}
-    for var_name in ["OS_GIT_COMMIT", "OS_GIT_VERSION", "OS_GIT_MAJOR", "OS_GIT_MINOR",
+    for var_name in ["OS_GIT_COMMIT", "OS_GIT_VERSION", "OS_GIT_MAJOR", "OS_GIT_MINOR", "OS_GIT_PATCH",
                      "OS_GIT_CATALOG_VERSION",
                      "ETCD_GIT_VERSION", "ETCD_GIT_COMMIT",
                      "KUBE_GIT_VERSION", "KUBE_GIT_COMMIT"]: