[RFC] vim-patch:7.4.549

```
Problem:    Function name not recognized correctly when inside a function.
Solution:   Don't check for an alpha character.

https://code.google.com/p/vim/source/detail?r=v7-4-549
```

Original patch (excluding Makefile changes):
```diff
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -22283,14 +22283,11 @@ ex_function(eap)
 		if (*p == '!')
 		    p = skipwhite(p + 1);
 		p += eval_fname_script(p);
-		if (ASCII_ISALPHA(*p))
-		{
-		    vim_free(trans_function_name(&p, TRUE, 0, NULL));
-		    if (*skipwhite(p) == '(')
-		    {
-			++nesting;
-			indent += 2;
-		    }
+		vim_free(trans_function_name(&p, TRUE, 0, NULL));
+		if (*skipwhite(p) == '(')
+		{
+		    ++nesting;
+		    indent += 2;
 		}
 	    }
diff --git a/src/nvim/version.c b/src/nvim/version.c
--- a/src/nvim/version.c
+++ b/src/nvim/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    549,
+/**/
     548,
 /**/
     547,
```