[analyzer] Fix typo in nullability checker diagnostic

'infered' --> 'inferred'

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@288922 91177308-0d34-0410-b5e6-96231b3b80d8

lib/StaticAnalyzer/Checkers/NullabilityChecker.cpp

@@ -333,7 +333,7 @@ PathDiagnosticPiece *NullabilityChecker::NullabilityBugVisitor::VisitNode(
 
   std::string InfoText =
       (llvm::Twine("Nullability '") +
-       getNullabilityString(TrackedNullab->getValue()) + "' is infered")
+       getNullabilityString(TrackedNullab->getValue()) + "' is inferred")
           .str();
 
   // Generate the extra diagnostic.