Normalize some lldb #include statements.

Most non-local includes of header files living under lldb/sources/
were specified with the full path starting after sources/. However, in
a few instances, other sub-directories were added to include paths, or

Normalize those few instances to follow the style used by the rest of
the codebase, to make it easier to understand.

llvm-svn: 333035
diff --git a/lldb/source/API/SBTarget.cpp b/lldb/source/API/SBTarget.cpp
index 5d62cf8..4f16816 100644
--- a/lldb/source/API/SBTarget.cpp
+++ b/lldb/source/API/SBTarget.cpp
@@ -64,7 +64,7 @@
 #include "lldb/Utility/Log.h"
 #include "lldb/Utility/RegularExpression.h"
 
-#include "../source/Commands/CommandObjectBreakpoint.h"
+#include "Commands/CommandObjectBreakpoint.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "llvm/Support/PrettyStackTrace.h"
 #include "llvm/Support/Regex.h"