wrap for magic (#651)

Author: bounceme

indent/javascript.vim

@@ -153,6 +153,9 @@ function s:Balanced(lnum)
 endfunction
 
 function GetJavascriptIndent()
+  try
+  let save_magic = &magic
+  set magic
   if !exists('b:js_cache')
     let b:js_cache = [0,0,0]
   endif
@@ -236,6 +239,9 @@ function GetJavascriptIndent()
     return indent(num) + s:W + switch_offset + bL
   endif
   return bL
+  finally
+    let &magic = save_magic
+  endtry
 endfunction