fix dedicated build caused by previous commit

appframework/posixapp.cpp

@@ -14,7 +14,10 @@
 #include "filesystem_init.h"
 #include "tier1/convar.h"
 #include "vstdlib/cvar.h"
+
+#ifndef DEDICATED
 #include "togl/rendermechanism.h"
+#endif
 
 // NOTE: This has to be the last file included! (turned off below, since this is included like a header)
 #include "tier0/memdbgon.h"

materialsystem/cmatrendercontext.cpp

@@ -18,7 +18,9 @@
 #include "ctype.h"
 
 #include "tier1/fmtstr.h"
+#ifndef DEDICATED
 #include "togl/rendermechanism.h"
+#endif
 
 // NOTE: This must be the last file included!!!
 #include "tier0/memdbgon.h"

tier2/renderutils.cpp

@@ -12,7 +12,9 @@
 #include "materialsystem/imaterial.h"
 #include "tier0/vprof.h"
 #include "tier0/basetypes.h"
+#ifndef DEDICATED
 #include "togl/rendermechanism.h"
+#endif
 
 #if !defined(M_PI)
 	#define M_PI			3.14159265358979323846