Removed casts in g_free(), therefore also removed some const declarations

From original patch by hawken93 <hawken@thehawken.org> 4th Oct 2014

src/core/network-proxy-http.c

@@ -29,7 +29,7 @@ static void network_proxy_http_destroy(struct network_proxy *proxy)
 {
     struct _network_proxy_http *self = container_of(proxy, struct _network_proxy_http, proxy);
 
-    g_free((void *)self->password);
+	g_free(self->password);
     _network_proxy_destroy(proxy);
 
     g_free(self);

src/core/network-proxy-http.h

@@ -21,7 +21,7 @@
 
 struct _network_proxy_http {
     struct network_proxy proxy;
-    char const *password;
+    char *password;
 };
 
 struct network_proxy *_network_proxy_http_create(void);

src/core/network-proxy-priv.h

@@ -44,7 +44,7 @@ inline static void _network_proxy_clone(struct network_proxy *dst, struct networ
 
 inline static void _network_proxy_destroy(struct network_proxy *proxy)
 {
-    g_free((void *)proxy->host);
+	g_free(proxy->host);
 }
 
 

src/core/network-proxy-socks5.c

@@ -65,8 +65,8 @@ static void network_proxy_socks5_destroy(struct network_proxy *proxy)
 {
 	struct _network_proxy_socks5 *self = container_of(proxy, struct _network_proxy_socks5, proxy);
 
-	g_free((void *)self->password);
-	g_free((void *)self->username);
+	g_free(self->password);
+	g_free(self->username);
 	_network_proxy_destroy(proxy);
 	g_free(self);
 }

src/core/network-proxy-socks5.h

@@ -22,8 +22,8 @@
 struct _network_proxy_socks5 {
 	struct network_proxy proxy;
 
-	char const *username;
-	char const *password;
+	char *username;
+	char *password;
 };
 
 struct network_proxy *_network_proxy_socks5_create(void);

src/core/network-proxy.h

@@ -24,7 +24,7 @@
  * class */
 struct network_proxy_send_string_info
 {
-    char const *host;  /* hostname of the IRC server */
+    char *host;  /* hostname of the IRC server */
     uint16_t port;   /* portnumber of the IRC server */
     
     /* function which is used to send string; usually irc_send_cmd_now() */