Core: Fix build for msvc14

cmake/macros/FindBoost.cmake

@@ -349,6 +349,8 @@ function(_Boost_GUESS_COMPILER_PREFIX _ret)
     else()
       set (_boost_COMPILER "-il")
     endif()
+  elseif (MSVC14)
+    set(_boost_COMPILER "-vc140")
   elseif (MSVC12)
     set(_boost_COMPILER "-vc120")
   elseif (MSVC11)

src/server/shared/Packets/ByteBuffer.h

@@ -393,7 +393,12 @@ class ByteBuffer
             lt.tm_mon = (packedDate >> 20) & 0xF;
             lt.tm_year = ((packedDate >> 24) & 0x1F) + 100;
 
+// To-Do: find a better way here
+#if !defined(timezone)
+            return uint32(mktime(&lt) + _timezone);
+#else
             return uint32(mktime(&lt) + timezone);
+#endif
         }
 
         ByteBuffer& ReadPackedTime(uint32& time)