Staging: et131x: fix build failure

Fix build failure in et131x driver - missing \ in multiline macro

Signed-off by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/et131x/et131x_debug.h

@@ -206,10 +206,10 @@
 #define DBG_ASSERT(C)						\
 	do {							\
 		if (!(C)) {					\
-			DBG_PRINT("ASSERT(%s) -- %s#%d (%s) ", \
+			DBG_PRINT("ASSERT(%s) -- %s#%d (%s) ",  \
 			     #C, __FILE__, __LINE__, __func__); \
 			DBG_TRAP;				\
-		}
+		}						\
 	} while (0)
 
 #define STATIC