tidy: Fix misleading indentation. (libmythtv)

Fix places where the indentation of an 'else' doesn't match that of
the corresponding 'if', or if that statement after an 'if' isn't
indented, etc.  These problems were pointed out by clang-tidy's
"misleading indentation" check.

https://clang.llvm.org/extra/clang-tidy/checks/readability-misleading-indentation.html

mythtv/libs/libmythui/opengl/mythrenderopengl.cpp

@@ -276,7 +276,7 @@ bool MythRenderOpenGL::Init(void)
             m_openglDebugger->startLogging(mode);
             if (mode == QOpenGLDebugLogger::AsynchronousLogging)
                 LOG(VB_GENERAL, LOG_INFO, LOC + "GPU debug logging started (async)");
-             else
+            else
                 LOG(VB_GENERAL, LOG_INFO, LOC + "Started synchronous GPU debug logging (will hurt performance)");
 
             // filter messages. Some drivers can be extremely verbose for certain issues.