Fix formatting: remove trailing spaces, #endif with comments (> 10 lines)
diff --git a/include/polarssl/dhm.h b/include/polarssl/dhm.h
index 4665ff9..628cd62 100644
--- a/include/polarssl/dhm.h
+++ b/include/polarssl/dhm.h
@@ -285,4 +285,4 @@
 }
 #endif
 
-#endif
+#endif /* dhm.h */