WINGs: New function W_setconf_doubleClickDelay

The new function W_setconf_doubleClickDelay() sets the value for
WPreferences.W_setconf_doubleClickDelay(), therefore the private
data of WPreferences struct is not used.

This call is used at defaults.c to set the doubleClickDelay().

WINGs/WINGs/WINGs.h

@@ -1833,6 +1833,7 @@ WMFont* WMGetFontPanelFont(WMFontPanel *panel);
 /* ---[ WINGs/configuration.c ]------------------------------------------- */
 unsigned W_getconf_mouseWheelUp(void);
 unsigned W_getconf_mouseWheelDown(void);
+void W_setconf_doubleClickDelay(int value);
 
 #ifdef __cplusplus
 }

WINGs/configuration.c

@@ -125,3 +125,8 @@ unsigned W_getconf_mouseWheelDown(void)
 {
 	return WINGsConfiguration.mouseWheelDown;
 }
+
+void W_setconf_doubleClickDelay(int value)
+{
+	WINGsConfiguration.doubleClickDelay = value;
+}