Fix scala#52: Stop illegal char after end of line or first space

Author: nicolasstucki

src/typescript/Scala.tmLanguage.ts

@@ -572,7 +572,7 @@ export const scalaTmLanguage: TmLanguage = {
       ]
     },
     'char-literal': {
-      end: "'",
+      end: "'|([^'\\s]*\\s(?=[^'(//)]))|$",
       begin: "'",
       beginCaptures: {
         '0': {