Replace Qt with TQt

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit a1dc8556c7)

doc/man/keep.1

@@ -28,7 +28,7 @@ backup system for TDE.
 .PP
 The behavior is quite simple: you choose the files you want to backup, you set up the frequency and the number of backup you want to have, and Keep will backup them automatically.
 .SH OPTIONS
-All TDE and Qt
+All TDE and TQt
 programs accept a some common command-line options. keep has no
 application-specific options.
 .PP
@@ -36,8 +36,8 @@ application-specific options.
 \*(T<\fB\-\-help\fR\*(T> 
 Show help about options
 .TP 
-\*(T<\fB\-\-help\-qt\fR\*(T> 
-Show Qt specific options
+\*(T<\fB\-\-help\-tqt\fR\*(T> 
+Show TQt specific options
 .TP 
 \*(T<\fB\-\-help\-tde\fR\*(T> 
 Show TDE specific options