Added check for trailing whitespaces and corrected existing violations.

test/mjsunit/try.js

Index: test/mjsunit/try.js
diff --git a/test/mjsunit/try.js b/test/mjsunit/try.js
index 794860a7c6484df04139be599285c7d7579cbd35..86afdf7f0841b31aa664542f3d535ec187a5f228 100644
--- a/test/mjsunit/try.js
+++ b/test/mjsunit/try.js
@@ -250,7 +250,7 @@ function break_from_nested_catch(x) {
     } catch (o) {
       x--;
     }
-  } 
+  }
   return x;
 }
 
@@ -274,7 +274,7 @@ function break_from_nested_finally(x) {
       x--;
     }
     x--; // should not happen
-  } 
+  }
   return x;
 }