fix syntax error

src/cpp/model/table/User.cpp

@@ -140,6 +140,13 @@ namespace model {
 			return select;
 		}
 
+		size_t User::updatePrivkey() { 
+			lock(); 
+			if (mPrivateKey.isNull()) return 0;
+			auto result = updateIntoDB("privkey", mPrivateKey.value()); 
+			unlock(); 
+			return result; 
+		}
 
 		/*
 		std::string mEmail;

src/cpp/model/table/User.h

@@ -43,7 +43,7 @@ namespace model {
 			std::string toHTMLString();
 
 			// specific db operation
-			inline size_t updatePrivkey() { lock(); auto result = updateIntoDB("privkey", mPrivateKey); unlock(); return result; }
+			size_t updatePrivkey();
 			
 
 			// default getter unlocked