Fix change-of-sign warning with ICC

strlen returns size_t, but -1 is obviously negative.

qglobal.cpp(2261): warning #68: integer conversion resulted in a change
of sign

Change-Id: I255870833a024a36adf6ffff13eb05ce5b2b2595
Reviewed-by: Caroline Chao <caroline.chao@theqtcompany.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index 9e19dd7f0f..0c3d309277 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -2261,7 +2261,8 @@ static bool readEtcRedHatRelease(QUnixOSVersion &v)
     int releaseIndex = line.indexOf(keyword);
     v.productType = QString::fromLatin1(line.mid(0, releaseIndex)).remove(QLatin1Char(' '));
     int spaceIndex = line.indexOf(' ', releaseIndex + strlen(keyword));
-    v.productVersion = QString::fromLatin1(line.mid(releaseIndex + strlen(keyword), spaceIndex > -1 ? spaceIndex - releaseIndex - strlen(keyword) : -1));
+    v.productVersion = QString::fromLatin1(line.mid(releaseIndex + strlen(keyword),
+                                                    spaceIndex > -1 ? spaceIndex - releaseIndex - int(strlen(keyword)) : -1));
     return true;
 }