Remove empty newlines in #include blocks.

This makes clang-format useful on those.

Also add a bunch of forgotten transitive includes, which otherwise
prevented compilation.

src/common/logging/backend.cpp

@@ -2,13 +2,12 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "common/logging/backend.h"
 #include <algorithm>
 #include <array>
 #include <cstdio>
-
 #include "common/assert.h"
 #include "common/common_funcs.h" // snprintf compatibility define
-#include "common/logging/backend.h"
 #include "common/logging/filter.h"
 #include "common/logging/log.h"
 #include "common/logging/text_formatter.h"

src/common/logging/backend.h

@@ -8,7 +8,6 @@
 #include <cstdarg>
 #include <string>
 #include <utility>
-
 #include "common/logging/log.h"
 
 namespace Log {

src/common/logging/filter.cpp

@@ -2,10 +2,9 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <algorithm>
-
-#include "common/logging/backend.h"
 #include "common/logging/filter.h"
+#include <algorithm>
+#include "common/logging/backend.h"
 #include "common/string_util.h"
 
 namespace Log {

src/common/logging/filter.h

@@ -7,7 +7,6 @@
 #include <array>
 #include <cstddef>
 #include <string>
-
 #include "common/logging/log.h"
 
 namespace Log {

src/common/logging/text_formatter.cpp

@@ -10,12 +10,11 @@
 #include <Windows.h>
 #endif
 
+#include "common/assert.h"
+#include "common/common_funcs.h"
 #include "common/logging/backend.h"
 #include "common/logging/log.h"
 #include "common/logging/text_formatter.h"
-
-#include "common/assert.h"
-#include "common/common_funcs.h"
 #include "common/string_util.h"
 
 namespace Log {