fixed the condump path argument truncation

changelog.txt

@@ -21,6 +21,8 @@ chg: on Windows, a fatal error will move the early console window to the foregro
 chg: com_hunkMegs doesn't have a maximum value anymore
   a value too high would reset it and the engine might fail to load with the default value
 
+fix: the condump command was truncating its file path argument to 64 characters
+
 fix: "timedemo" playback runs at full speed again
 
 fix: on Windows, when unfocused, the client would always sleep 5+ ms regardless of com_maxFPS

code/client/cl_console.cpp

@@ -286,7 +286,7 @@ void Con_Dump_f( void )
 		return;
 	}
 
-	Q_strncpyz( buffer, Cmd_Argv(1), MAX_QPATH - 4 );
+	Q_strncpyz( buffer, Cmd_Argv(1), sizeof(buffer) );
 	COM_DefaultExtension( buffer, sizeof(buffer), ".txt" );
 
 	fileHandle_t f = FS_FOpenFileWrite( buffer );