Split error macro into two versions (format vs non-formating) to allow format checking at compile-time

src/Nazara/Network/Win32/IpAddressImpl.cpp

@@ -277,7 +277,7 @@ namespace Nz
 			}
 		}
 
-		NazaraError("Invalid ip address");
+		NazaraError("invalid ip address");
 		return 0;
 	}
 

src/Nazara/Network/Win32/SocketImpl.cpp

@@ -160,7 +160,7 @@ namespace Nz
 		int errorCode = WSAStartup(MAKEWORD(2, 2), &s_WSA);
 		if (errorCode != 0)
 		{
-			NazaraError("failed to initialize Windows Socket 2.2: {0}", Error::GetLastSystemError(errorCode));
+			NazaraErrorFmt("failed to initialize Windows Socket 2.2: {0}", Error::GetLastSystemError(errorCode));
 			return false;
 		}
 

src/Nazara/Network/Win32/SocketPollerImpl.cpp

@@ -91,7 +91,7 @@ namespace Nz
 			fd_set& targetSet = (i == 0) ? m_readSockets : m_writeSockets;
 			if (targetSet.fd_count > FD_SETSIZE)
 			{
-				NazaraError("Socket count exceeding hard-coded FD_SETSIZE ({0})", FD_SETSIZE);
+				NazaraErrorFmt("socket count exceeding hard-coded FD_SETSIZE ({0})", FD_SETSIZE);
 				return false;
 			}