kernel-doc: add missing semi-colons in option parsing

Signed-off-by: Jani Nikula <jani.nikula@intel.com>

scripts/kernel-doc

@@ -484,10 +484,10 @@ while ($ARGV[0] =~ m/^-(.*)/) {
 	$function_table{$function} = 1;
     } elsif ($cmd eq "-export") { # only exported symbols
 	$output_selection = OUTPUT_EXPORTED;
-	%function_table = ()
+	%function_table = ();
     } elsif ($cmd eq "-internal") { # only non-exported symbols
 	$output_selection = OUTPUT_INTERNAL;
-	%function_table = ()
+	%function_table = ();
     } elsif ($cmd eq "-v") {
 	$verbose = 1;
     } elsif (($cmd eq "-h") || ($cmd eq "--help")) {