Patch 7.4.972
Problem:    Memory leak when there is an error in setting an option.
Solution:   Free the saved value (Christian Brabandt)
Files:      src/option.c


*** ../vim-7.4.971/src/option.c 2015-12-11 22:38:32.655594654 +0100
--- src/option.c        2015-12-13 14:55:36.212414185 +0100
***************
*** 4970,4976 ****
--- 4970,4981 ----
  
                        /* If error detected, print the error message. */
                        if (errmsg != NULL)
+                       {
+ #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
+                           vim_free(saved_origval);
+ #endif
                            goto skip;
+                       }
  #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
                        if (saved_origval != NULL)
                        {
*** ../vim-7.4.971/src/version.c        2015-12-13 14:45:16.543158883 +0100
--- src/version.c       2015-12-13 14:58:33.870480594 +0100
***************
*** 743,744 ****
--- 743,746 ----
  {   /* Add new patch number below this line */
+ /**/
+     972,
  /**/

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