Fix cppcheck warnings

lsp/src/lsp-autocomplete.c

@@ -337,7 +337,7 @@ static void process_response(LspServer *server, GVariant *response, GeanyDocumen
 		else
 		{
 			g_ptr_array_add(symbols_filtered, sym);
-			g_hash_table_add(entry_set, g_strdup(display_label));
+			g_hash_table_insert(entry_set, g_strdup(display_label), NULL);
 		}
 	}
 

lsp/src/lsp-main.c

@@ -727,7 +727,7 @@ static gboolean on_editor_notify(G_GNUC_UNUSED GObject *obj, GeanyEditor *editor
 		{
 			LspPosition pos_start = lsp_utils_scintilla_pos_to_lsp(sci, nt->position);
 			LspPosition pos_end = pos_start;
-			gchar *text = malloc(nt->length + 1);
+			gchar *text = g_malloc(nt->length + 1);
 
 			memcpy(text, nt->text, nt->length);
 			text[nt->length] = '\0';

lsp/src/lsp-semtokens.c

@@ -227,7 +227,7 @@ static gchar *process_tokens(GArray *tokens, GeanyDocument *doc, guint64 token_m
 
 				str = sci_get_contents_range(sci, sci_pos_start, sci_pos_end);
 				if (str)
-					g_hash_table_add(type_table, str);
+					g_hash_table_insert(type_table, str, NULL);
 			}
 		}
 	}

lsp/src/lsp-server.c

@@ -1053,13 +1053,15 @@ gboolean lsp_server_uses_init_file(gchar *path)
 
 gchar *lsp_server_get_initialize_responses(void)
 {
-	GString *str = g_string_new("{");
-	guint i;
 	gboolean first = TRUE;
+	GString *str;
+	guint i;
 
 	if (!lsp_servers)
 		return FALSE;
 
+	str = g_string_new("{");
+
 	for (i = 0; i < lsp_servers->len; i++)
 	{
 		LspServer *s = lsp_servers->pdata[i];