Fix parameter parsing in renderer

Change-Id: I14533cea4a29eff2b3dec3a68e80fc1ae7f44da3
diff --git a/tools/emulator/opengl/host/renderer/main.cpp b/tools/emulator/opengl/host/renderer/main.cpp
index 709ed75..dba3190 100644
--- a/tools/emulator/opengl/host/renderer/main.cpp
+++ b/tools/emulator/opengl/host/renderer/main.cpp
@@ -72,7 +72,6 @@
             if (++i >= argc || sscanf(argv[i],"%d", &winY) != 1) {
                 printUsage(argv[0]);
             }
-            i++;
         }
         else if (!strncmp(argv[i], "-width", 6)) {
             if (++i >= argc || sscanf(argv[i],"%d", &winWidth) != 1) {