Include SmallVector.h header in lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.h

llvm-svn: 266606
diff --git a/llvm/lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.h b/llvm/lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.h
index a67ecaa..07b0f91 100644
--- a/llvm/lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.h
+++ b/llvm/lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.h
@@ -15,6 +15,7 @@
 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_INSTPRINTER_WEBASSEMBLYINSTPRINTER_H
 #define LLVM_LIB_TARGET_WEBASSEMBLY_INSTPRINTER_WEBASSEMBLYINSTPRINTER_H
 
+#include "llvm/ADT/SmallVector.h"
 #include "llvm/CodeGen/MachineValueType.h"
 #include "llvm/MC/MCInstPrinter.h"