Core/Dependencies: Upgrade to jemalloc-3.5.1

cmake/compiler/gcc/settings.cmake

@@ -10,6 +10,9 @@ endif()
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
 message(STATUS "GCC: Enabled c++11 support")
 
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
+message(STATUS "GCC: Enabled C99 support")
+
 if(PLATFORM EQUAL 32)
   # Required on 32-bit systems to enable SSE2 (standard on x64)
   set(SSE_FLAGS "-msse2 -mfpmath=sse")