Trivial changes: whitespace and modes.

Remote whitespace at the ends of lines.
Remove blank lines from the ends of files.
Change modes on source files so that they
are not executable.

Signed-off-by: Dan Cross <cross@gajendra.net>

src/libdisk/proto.c

@@ -13,7 +13,7 @@ enum {
 #undef warn
 #define warn protowarn
 
-#undef getmode 
+#undef getmode
 #define getmode protogetmode
 
 typedef struct File File;
@@ -287,7 +287,7 @@ mkpath(Mkaux *mkaux, char *prefix, char *elem)
 static void
 setnames(Mkaux *mkaux, File *f)
 {
-	
+
 	if(f->old){
 		if(f->old[0] == '/')
 			setname(mkaux, &mkaux->oldfile, f->old, "");