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/libmp/port/mptov.c

@@ -29,7 +29,7 @@ vtomp(vlong v, mpint *b)
 	for(s = 0; s < VLDIGITS && uv != 0; s++){
 		b->p[s] = uv;
 	/* !@*$&!@$ gcc gives warnings about the >> here
-	 * when running on 64-bit machines, even though 
+	 * when running on 64-bit machines, even though
 	 * it's in dead code.  fake it out with two shifts.
 		if(sizeof(mpdigit) == sizeof(uvlong))
 			uv = 0;