libcamera: formatting: Avoid spaces in for loops without expression

The clang formatter removes spaces in places of empty expressions in for
loops.  For example, it changes

  for (init; condition; )

to

  for (init; condition;)

libcamera currently uses both the styles and we should use only one of
them for consistency.  Since there is apparently no option to override
the formatter behavior (see
https://clang.llvm.org/docs/ClangFormatStyleOptions.html), let's remove
the extra spaces to make the formatter happy.

Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

src/libcamera/base/object.cpp

@@ -350,7 +350,7 @@ void Object::connect(SignalBase *signal)
 
 void Object::disconnect(SignalBase *signal)
 {
-	for (auto iter = signals_.begin(); iter != signals_.end(); ) {
+	for (auto iter = signals_.begin(); iter != signals_.end();) {
 		if (*iter == signal)
 			iter = signals_.erase(iter);
 		else

src/libcamera/base/signal.cpp

@@ -49,7 +49,7 @@ void SignalBase::disconnect(std::function<bool(SlotList::iterator &)> match)
 {
 	MutexLocker locker(signalsLock);
 
-	for (auto iter = slots_.begin(); iter != slots_.end(); ) {
+	for (auto iter = slots_.begin(); iter != slots_.end();) {
 		if (match(iter)) {
 			Object *object = (*iter)->object();
 			if (object)

src/libcamera/base/thread.cpp

@@ -657,7 +657,7 @@ void Thread::dispatchMessages(Message::Type type)
 	 * the outer calls.
 	 */
 	if (!--data_->messages_.recursion_) {
-		for (auto iter = messages.begin(); iter != messages.end(); ) {
+		for (auto iter = messages.begin(); iter != messages.end();) {
 			if (!*iter)
 				iter = messages.erase(iter);
 			else

src/libcamera/process.cpp

@@ -75,7 +75,7 @@ void ProcessManager::sighandler()
 		return;
 	}
 
-	for (auto it = processes_.begin(); it != processes_.end(); ) {
+	for (auto it = processes_.begin(); it != processes_.end();) {
 		Process *process = *it;
 
 		int wstatus;