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/cmd/look.c

@@ -90,7 +90,7 @@ main(int argc, char *argv[])
 	case 'f':
 		fold++;
 		break;
-	case 'i': 
+	case 'i':
 		iflag++;
 		break;
 	case 'n':
@@ -118,7 +118,7 @@ main(int argc, char *argv[])
 	if(argc < 1) {
 		direc++;
 		fold++;
-	} else 
+	} else
 		filename = argv[0];
 	if (!iflag)
 		rcanon(orig, key);