Modify caching-values in simple-preferences, so new base values are

100 200 300 750 2500

For http/rtsp caching is doubled, for mms its 10x that (maybe too much on that one).

modules/gui/qt4/components/simple_preferences.cpp

@@ -651,11 +651,11 @@ void SPrefsPanel::apply()
             CaC( "tcp-caching" ); CaC( "vcd-caching" );
             CaC( "fake-caching" ); CaC( "cdda-caching" ); CaC( "file-caching" );
             CaC( "screen-caching" );
-            CaCi( "rtsp-caching", 4 ); CaCi( "ftp-caching", 2 );
-            CaCi( "http-caching", 4 );
+            CaCi( "rtsp-caching", 2 ); CaCi( "ftp-caching", 2 );
+            CaCi( "http-caching", 2 );
             if (module_exists ("access_realrtsp" ))
                 CaCi( "realrtsp-caching", 10 );
-            CaCi( "mms-caching", 19 );
+            CaCi( "mms-caching", 10 );
             #ifdef WIN32
             CaC( "dshow-caching" );
             #else

modules/gui/qt4/components/simple_preferences.hpp

@@ -57,8 +57,8 @@ enum {
     CachingLowest = 100,
     CachingLow    = 200,
     CachingNormal = 300,
-    CachingHigh   = 400,
-    CachingHigher = 500
+    CachingHigh   = 750,
+    CachingHigher = 2500
 };
 
 enum {