Refactor: Simplify boolean conditional return statements in lib/StaticAnalyzer/Frontend

[LegalizeAdulthood]

Summary

Use clang-tidy to simplify boolean conditional return statements

[LegalizeAdulthood]

Update to latest.
This changeset needs reveiw; I am unsure of who to add as specific reviewers.

[alexfh]

LG

cfe/trunk/lib/StaticAnalyzer/Frontend/CheckerRegistration.cpp

 
 bool ClangCheckerRegistry::isCompatibleAPIVersion(const char *versionString) {
   // If the version string is null, it's not an analyzer plugin.
   if (!versionString)
     return false;
 
   // For now, none of the static analyzer API is considered stable.
   // Versions must match exactly.
-  if (strcmp(versionString, CLANG_ANALYZER_API_VERSION_STRING) == 0)
-    return true;
-
-  return false;
+  return strcmp(versionString, CLANG_ANALYZER_API_VERSION_STRING) == 0;
 }
 
 void ClangCheckerRegistry::warnIncompatible(DiagnosticsEngine *diags,
                                             StringRef pluginPath,
                                             const char *pluginAPIVersion) {
   if (!diags)
     return;
   if (!pluginAPIVersion)