Simplify Boolean expressions

This patch simplifies boolean expressions acorss LLDB. It was generated
using clang-tidy with the following command:

run-clang-tidy.py -checks='-*,readability-simplify-boolean-expr' -format -fix $PWD

Differential revision: https://reviews.llvm.org/D55584

llvm-svn: 349215

lldb/source/DataFormatters/DumpValueObjectOptions.cpp

@@ -67,7 +67,7 @@ DumpValueObjectOptions &DumpValueObjectOptions::SetUseObjectiveC(bool use) {
 }
 
 DumpValueObjectOptions &DumpValueObjectOptions::SetShowSummary(bool show) {
-  if (show == false)
+  if (!show)
     SetOmitSummaryDepth(UINT32_MAX);
   else
     SetOmitSummaryDepth(0);