Doc: Add "\inmodule QtCreator" to \class and \namespace docs

To get rid of QDoc warnings.

Change-Id: Idd39b7ae4327798c376f424c94d6617bcaee2258
Reviewed-by: hjk <hjk@qt.io>

src/libs/utils/commandline.cpp

@@ -41,6 +41,7 @@ namespace Utils {
 
 /*!
     \class Utils::ProcessArgs
+    \inmodule QtCreator
 
     \brief The ProcessArgs class provides functionality for dealing with
     shell-quoted process arguments.
@@ -1398,6 +1399,7 @@ QString ProcessArgs::toString() const
 
 /*!
     \class Utils::CommandLine
+    \inmodule QtCreator
 
     \brief The CommandLine class represents a command line of a QProcess or
     similar utility.