[Minor] Another try to fix clang plugin build

clang-plugin/CMakeLists.txt

@@ -14,10 +14,7 @@ IF (ENABLE_CLANG_PLUGIN MATCHES "ON")
 
     find_package(Clang REQUIRED)
 
-    set(clang_libs
-            clangAST
-            clangBasic
-            clangFrontend)
+    set(clang_libs clang)
 
     message(STATUS "Found LibClang in: ${CLANG_INSTALL_PREFIX}")
     include_directories(${CLANG_INCLUDE_DIRS})

contrib/robin-hood/robin_hood.h

@@ -42,6 +42,7 @@
 #include <cstdlib>
 #include <cstring>
 #include <functional>
+#include <limits>
 #include <memory> // only to support hash of smart pointers
 #include <stdexcept>
 #include <string>