Alt-Enter was fouling up on Win95; added explicit handler

[originally from svn r687]

window.c

@@ -2072,6 +2072,16 @@ static WPARAM compose_key = 0;
 		return p - output;
 	    }
 	}
+
+	/*
+	 * Finally, deal with Return ourselves. (Win95 seems to
+	 * foul it up when Alt is pressed, for some reason.)
+	 */
+	if (wParam == VK_RETURN)       /* Return */
+	{
+	    *p++ = 0x0D;
+	    return p-output;
+	}
     }
 
     /* Okay we've done everything interesting; let windows deal with