mDNS malloc error fix

EXmDNS.cpp

@@ -75,7 +75,7 @@ int MDNS::begin(const IPAddress& ip, char* name) {
   //  delay(100);
 
   _ipAddress = ip;
-  _name = (char *)malloc(strlen(name +2));
+  _name = (char *)malloc(strlen(name)+2);
   byte n;
   for(n = 0; n<strlen(name); n++)
     _name[n+1] = name[n];
@@ -87,7 +87,7 @@ int MDNS::begin(const IPAddress& ip, char* name) {
 
 int MDNS::addServiceRecord(const char* name, uint16_t port, MDNSServiceProtocol_t proto) {
   // we ignore proto, assume TCP
-  _serviceName = (char *)malloc(strlen(name +2));
+  _serviceName = (char *)malloc(strlen(name)+2);
   byte n;
   for(n = 0; n<strlen(name); n++)
     _serviceName[n+1] = name[n];

STM32lwipopts.h

@@ -39,9 +39,9 @@
 //#define LWIP_DEBUG                      1
 //#define TCP_DEBUG                       LWIP_DBG_ON
 
-// IMPORTANT CHANGE THE FIRST ONE
+// NOT STRICT NECESSARY ANY MORE BUT CAN BE USED TO SAVE RAM
 #undef  MEM_LIBC_MALLOC
-#define MEM_LIBC_MALLOC         1       // critical, fixes heap trashing
+#define MEM_LIBC_MALLOC         1       // use the same malloc as for everything else
 #undef  MEMP_MEM_MALLOC
 #define MEMP_MEM_MALLOC         1       // uses malloc which means no pools which means slower but not mean 32KB up front