patch 7.4.1280

Problem:    Missing case value.
Solution:   Add VAR_JOB.

src/if_python.c

@@ -1560,6 +1560,7 @@ do_pyeval (char_u *str, typval_T *rettv)
 	case VAR_STRING:
 	case VAR_FLOAT:
 	case VAR_SPECIAL:
+	case VAR_JOB:
 	    break;
     }
 }

src/if_python3.c

@@ -1653,6 +1653,7 @@ do_py3eval (char_u *str, typval_T *rettv)
 	case VAR_STRING:
 	case VAR_FLOAT:
 	case VAR_SPECIAL:
+	case VAR_JOB:
 	    break;
     }
 }

src/version.c

@@ -747,6 +747,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1280,
 /**/
     1279,
 /**/