V4L/DVB (7528): media/video/usbvideo replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/usbvideo/konicawc.c

@@ -57,7 +57,7 @@ static struct usbvideo *cams;
 static int debug;
 #define DEBUG(n, format, arg...) \
 	if (n <= debug) {	 \
-		printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __FUNCTION__ , ## arg); \
+		printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __func__ , ## arg); \
 	}
 #else
 #define DEBUG(n, arg...)

drivers/media/video/usbvideo/quickcam_messenger.c

@@ -46,7 +46,7 @@
 static int debug;
 #define DEBUG(n, format, arg...) \
 	if (n <= debug) {	 \
-		printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __FUNCTION__ , ## arg); \
+		printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __func__ , ## arg); \
 	}
 #else
 #define DEBUG(n, arg...)

drivers/media/video/usbvideo/vicam.c

@@ -48,7 +48,7 @@
 // #define VICAM_DEBUG
 
 #ifdef VICAM_DEBUG
-#define ADBG(lineno,fmt,args...) printk(fmt, jiffies, __FUNCTION__, lineno, ##args)
+#define ADBG(lineno,fmt,args...) printk(fmt, jiffies, __func__, lineno, ##args)
 #define DBG(fmt,args...) ADBG((__LINE__),KERN_DEBUG __FILE__"(%ld):%s (%d):"fmt,##args)
 #else
 #define DBG(fmn,args...) do {} while(0)