Removed trailing whitespace.

diff --git a/miscemu/main.c b/miscemu/main.c
index e248d8a..e216859 100644
--- a/miscemu/main.c
+++ b/miscemu/main.c
@@ -62,7 +62,7 @@
         }
 
         MESSAGE( "%s: can't exec '%s': ", argv0, GetCommandLineA() );
-        switch (instance) 
+        switch (instance)
         {
         case  2: MESSAGE("file not found\n" ); break;
         case 11: MESSAGE("invalid exe file\n" ); break;