richedit: Fixed the forward word movement bug.

Using Ctrl-RightArrow to move to the start of the next word did not
previously work when at the start of a word.  This means that
Ctrl-RightArrow would not work twice in a row since it should move to
the start of the next word.
diff --git a/dlls/riched20/string.c b/dlls/riched20/string.c
index 2ec0092..84efdbe 100644
--- a/dlls/riched20/string.c
+++ b/dlls/riched20/string.c
@@ -317,18 +317,10 @@
       return start;
     case WB_RIGHT:
     case WB_MOVEWORDRIGHT:
-      if (start && ME_IsWSpace(s[start - 1]))
-      {
-        while (start < len && ME_IsWSpace(s[start]))
-          start++;
-      }
-      else
-      {
-        while (start < len && !ME_IsWSpace(s[start]))
-          start++;
-        while (start < len && ME_IsWSpace(s[start]))
-          start++;
-      }
+      while (start < len && !ME_IsWSpace(s[start]))
+        start++;
+      while (start < len && ME_IsWSpace(s[start]))
+        start++;
       return start;
   }
   return 0;