small doxygen fixes

Doxygenfile

@@ -1730,7 +1730,7 @@ DOT_NUM_THREADS        = 0
 # the DOTFONTPATH environment variable or by setting DOT_FONTPATH to the
 # directory containing the font.
 
-DOT_FONTNAME           = FreeSans
+DOT_FONTNAME           = 
 
 # The DOT_FONTSIZE tag can be used to set the size of the font of dot graphs.
 # The default size is 10pt.

include/gwin/gwin.h

@@ -105,7 +105,6 @@ extern "C" {
 	/**
 	 * @brief	Set the default foreground color for all new GWIN windows
 	 *
-	 * @param[in] gh	The window
 	 * @param[in] clr	The color to be set
 	 *
 	 * @api
@@ -115,7 +114,6 @@ extern "C" {
 	/**
 	 * @brief	Set the default background color for all new GWIN windows
 	 *
-	 * @param[in] gh	The window
 	 * @param[in] bgclr	The background color
 	 *
 	 * @api
@@ -126,7 +124,7 @@ extern "C" {
 		/**
 		 * @brief	Set the default font for all new GWIN windows
 		 *
-		 * @param[in] gh	The window
+		 * @param[in] font	The new font to be set
 		 *
 		 * @api
 		 */