Fix printSILMultipleValueInstructionResult.

Author: atrick

lib/SIL/IR/SILPrinter.cpp

@@ -1070,7 +1070,7 @@ class SILPrinter : public SILInstructionVisitor<SILPrinter> {
       const MultipleValueInstructionResult *result) {
     // This should really only happen during debugging.
     if (result->getParent()->getNumResults() == 1) {
-      *this << "**" << Ctx.getID(result) << "** = ";
+      *this << "**" << Ctx.getID(result) << "**";
     } else {
       *this << '(';
       llvm::interleave(