Remove not necessary includes

resources/imap/tracer.cpp

@@ -5,7 +5,6 @@
 #include <QIODevice>
 #include <QCoreApplication>
 #include <iostream>
-#include <unistd.h>
 
 class DebugStream: public QIODevice
 {
@@ -57,7 +56,7 @@ QDebug debugStream(int line, const char *file, const char *function)
 
     Q_UNUSED(line);
     Q_UNUSED(file);
-    debug << QStringLiteral("Trace:%1(%2) %3:").arg(QString::fromLatin1(programName)).arg(unsigned(getpid())).arg(QLatin1String(function)) /* << file << ":" << line */;
+    debug << QStringLiteral("Trace:%1(%2) %3:").arg(QString::fromLatin1(programName)).arg(unsigned(QCoreApplication::applicationPid())).arg(QLatin1String(function)) /* << file << ":" << line */;
 
     return debug;
 }

resources/maildir/libmaildir/maildir.cpp

@@ -31,10 +31,7 @@
 #include <KLocalizedString>
 #include <Akonadi/KMime/MessageFlags>
 
-#include <time.h>
-#include <unistd.h>
 #include <fcntl.h>
-#include <sys/stat.h>
 
 //Define it to get more debug output to expense of operating speed
 // #define DEBUG_KEYCACHE_CONSITENCY

resources/mixedmaildir/kmindexreader/kmindexreader.h

@@ -32,9 +32,6 @@ using Akonadi::MessageStatus;
 #include <QList>
 #include <QSharedPointer>
 
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
 
 class KMINDEXREADER_EXPORT KMIndexData
 {