(svn r586) -Fix: [1066114] Code error in win32.c Thanks Shai

-Fix: ttd.vcproj change to hard-set compilation as C, as well as adding WITH_SDL to debug mode. If you don't have SDL just remove that.

win32.c

@@ -284,27 +284,26 @@ static LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lP
 		return 0;
 	}
 
-	case WM_KEYDOWN:
-		{
+	case WM_KEYDOWN: {
 		// this is the rewritten ascii input function
 		// it disables windows deadkey handling --> more linux like :D
-        unsigned short w = 0;
+    unsigned short w = 0;
 		int r = 0;
 		byte ks[256];
-		unsigned int scan=0;
+		unsigned int scan = 0;
 		GetKeyboardState(ks);
-		r=ToAscii(wParam,scan,ks,&w,0);
-		if (r=0) w=0;
+		r = ToAscii(wParam, scan, ks, &w, 0);
+		if (r == 0) w = 0; // no translation was possible
 
 		_pressed_key = w | MapWindowsKey(wParam) << 16;
-		}
+
 		if ((_pressed_key>>16) == ('D' | WKC_CTRL) && !_wnd.fullscreen) {
 			_double_size ^= 1;
 			_wnd.double_size = _double_size;
 			ClientSizeChanged(_wnd.width, _wnd.height);
 			MarkWholeScreenDirty();
 		}
-		break;
+	}	break;
 
 
 	case WM_SYSKEYDOWN: /* user presses F10 or Alt, both activating the title-menu */