patch 9.1.0767: A condition is always true in ex_getln.c

Problem:  A cmdlen == 0 condition is always true as ccline.cmdlen == 0
          was already checked above (after v9.1.0766).
Solution: Remove the condition and the variable.
          (zeertzjq)

closes: #15830

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/ex_getln.c

@@ -1092,10 +1092,6 @@ cmdline_erase_chars(
     else if (ccline.cmdlen == 0 && c != Ctrl_W
 	    && ccline.cmdprompt == NULL && indent == 0)
     {
-#ifdef FEAT_SEARCH_EXTRA
-	int cmdlen;
-#endif
-
 	// In ex and debug mode it doesn't make sense to return.
 	if (exmode_active
 #ifdef FEAT_EVAL
@@ -1104,9 +1100,6 @@ cmdline_erase_chars(
 	   )
 	    return CMDLINE_NOT_CHANGED;
 
-#ifdef FEAT_SEARCH_EXTRA
-	cmdlen = ccline.cmdlen;
-#endif
 	dealloc_cmdbuff();	// no commandline to return
 
 	if (!cmd_silent)
@@ -1120,8 +1113,7 @@ cmdline_erase_chars(
 	    msg_putchar(' ');		// delete ':'
 	}
 #ifdef FEAT_SEARCH_EXTRA
-	if (cmdlen == 0)
+	isp->search_start = isp->save_cursor;
-	    isp->search_start = isp->save_cursor;
 #endif
 	redraw_cmdline = TRUE;
 	return GOTO_NORMAL_MODE;

src/testdir/test_mapping.vim

@@ -89,7 +89,7 @@ func Test_abclear_buffer()
         \        .. "!  foo           foobar", execute('abbrev'))
 
   abclear
-   call assert_equal("\n\nNo abbreviation found", execute('abbrev'))
+  call assert_equal("\n\nNo abbreviation found", execute('abbrev'))
 
   %bwipe
 endfunc

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    767,
 /**/
     766,
 /**/