[#3649] Fix sipvoip client decrementation for default account

sflphone-common/src/managerimpl.cpp

@@ -72,6 +72,7 @@
 
 #define MD5_APPEND(pms,buf,len) pj_md5_update(pms, (const pj_uint8_t*)buf, len)
 
+// Default account used to get default parametersa if requested by client (to build ne account)
 SIPAccount defaultAccount("default");
 
 ManagerImpl::ManagerImpl (void) :

sflphone-common/src/sip/sipaccount.cpp

@@ -144,6 +144,7 @@ SIPAccount::SIPAccount (const AccountID& accountID)
 SIPAccount::~SIPAccount()
 {
     /* One SIP account less connected to the sip voiplink */
+    if(_accountID != "default")
       dynamic_cast<SIPVoIPLink*> (_link)->decrementClients();
 
     /* Delete accounts-related information */