Be lax about trailing whitespace when checking fixit formatting, this depends on locale settings.

If a non-unicode locale is used, the unicode character is escaped and any
byte that is in the escaped representation but not the semicolon will
become whitespace.

llvm-svn: 160113

clang/test/FixIt/fixit-unicode.c

@@ -10,6 +10,6 @@ void test1() {
   (&foo)☃>bar = 42;
 // CHECK: error: expected ';' after expression
 // Make sure we emit the fixit right in front of the snowman.
-// CHECK: {{^        \^$}}
-// CHECK: {{^        ;$}}
+// CHECK: {{^        \^}}
+// CHECK: {{^        ;}}
 }