Remove unnecessary parentheses around return values in functions

This patch was generated by the following Perl code:

perl -i -pe 's/([^_])return\s*\(\s*([^(]+?)\s*\)s*;(\s+(\n))?/$1return $2;$4/g;'

Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
Signed-off-by: Keith Packard <keithp@keithp.com>

os/strlcpy.c

@@ -50,5 +50,5 @@ strlcpy(char *dst, const char *src, size_t siz)
 			;
 	}
 
-	return(s - src - 1);	/* count does not include NUL */
+	return s - src - 1;	/* count does not include NUL */
 }