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/lib9/testprint.c

@@ -5,7 +5,7 @@ void
 main(int argc, char **argv)
 {
 	char c;
-	
+
 	c = argv[1][strlen(argv[1])-1];
 	if(c == 'f' || c == 'e' || c == 'g' || c == 'F' || c == 'E' || c == 'G')
 		print(argv[1], atof(argv[2]));