Fix path to mpir in cmake

Author: cmmarslender

src/CMakeLists.txt

@@ -16,8 +16,8 @@ set(CMAKE_MODULE_PATH
 )
 
 if(WIN32)
-  set(MPIR_LIBRARY_DIR "${CMAKE_CURRENT_SOURCE_DIR}/mpir_gc_x64")
-  set(MPIR_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/mpir_gc_x64")
+  set(MPIR_LIBRARY_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../mpir_gc_x64")
+  set(MPIR_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../mpir_gc_x64")
   include_directories(${MPIR_INCLUDE_DIR})
   find_library(MPIR_LIBRARY NAMES mpir PATHS ${MPIR_LIBRARY_DIR} NO_DEFAULT_PATH)
   if(MPIR_LIBRARY)