Various warning squashes and fixes.

cocoa/BookmarksController.m

@@ -27,6 +27,7 @@
 #import "desktop/hotlist.h"
 #import "desktop/tree.h"
 #import "desktop/tree_url_node.h"
+#import "utils/messages.h"
 
 @interface BookmarksController ()
 - (void) noteAppWillTerminate: (NSNotification *) note;

cocoa/BrowserView.m

@@ -29,6 +29,7 @@
 #import "desktop/textinput.h"
 #import "desktop/options.h"
 #import "desktop/selection.h"
+#import "utils/messages.h"
 
 @interface BrowserView ()
 

cocoa/BrowserWindowController.m

@@ -27,6 +27,7 @@
 
 #import "desktop/browser.h"
 #import "desktop/options.h"
+#import "utils/messages.h"
 
 @interface BrowserWindowController ()
 

cocoa/NetSurfAppDelegate.m

@@ -23,6 +23,7 @@
 
 #import "desktop/browser.h"
 #import "desktop/options.h"
+#import "utils/messages.h"
 
 @interface NetSurfAppDelegate ()
 
@@ -64,22 +65,22 @@
 
 - (void) openDocument: (id) sender;
 {
-	nsurl *url;
+	nsurl *u;
 	nserror error;
 
 	NSOpenPanel *openPanel = [NSOpenPanel openPanel];
 	[openPanel setAllowsMultipleSelection: YES];
 	if ([openPanel runModalForTypes: nil] == NSOKButton) {
 		for (NSURL *url in [openPanel URLs]) {
-                        error = nsurl_create([[url absoluteString] UTF8String], &url);
+                        error = nsurl_create([[url absoluteString] UTF8String], &u);
                         if (error == NSERROR_OK) {
                                 error = browser_window_create(BROWSER_WINDOW_VERIFIABLE |
 					      BROWSER_WINDOW_HISTORY,
-					      url,
+					      u,
 					      NULL,
 					      NULL,
 					      NULL);
-                                nsurl_unref(url);
+                                nsurl_unref(u);
                         }
                         if (error != NSERROR_OK) {
                                 warn_user(messages_get_errorcode(error), 0);

cocoa/selection.m

@@ -82,7 +82,7 @@ void gui_set_clipboard(const char *buffer, size_t length,
 	}
 
 	/* Add text to clipboard string */
-	if (nil == cocoa_clipboard_string) return false;
+	if (nil == cocoa_clipboard_string) return;
 	
 	[cocoa_clipboard_string appendString: [[[NSString alloc] 
 				initWithBytes: buffer