Add <cstdint> include to SmallVector.h and X86MCTargetDesc.h

Author: Sightem

llvm/include/llvm/ADT/SmallVector.h

@@ -19,6 +19,7 @@
 #include <algorithm>
 #include <cassert>
 #include <cstddef>
+#include <cstdint>
 #include <cstdlib>
 #include <cstring>
 #include <functional>

llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h

@@ -15,6 +15,7 @@
 
 #include <memory>
 #include <string>
+#include <cstdint>
 
 namespace llvm {
 class formatted_raw_ostream;