Remove trailing whitespace on lines in all files.
diff --git a/awk.h b/awk.h
index 0f78e87..1dec5f2 100644
--- a/awk.h
+++ b/awk.h
@@ -32,7 +32,7 @@
 
 #define	xfree(a)	{ if ((a) != NULL) { free((void *) (a)); (a) = NULL; } }
 
-#define	NN(p)	((p) ? (p) : "(null)")	/* guaranteed non-null for dprintf 
+#define	NN(p)	((p) ? (p) : "(null)")	/* guaranteed non-null for dprintf
 */
 #define	DEBUG
 #ifdef	DEBUG
@@ -162,7 +162,7 @@
 #define CCOPY	6
 #define CCON	5
 #define CTEMP	4
-#define CNAME	3 
+#define CNAME	3
 #define CVAR	2
 #define CFLD	1
 #define	CUNK	0