[PATCH]: fix build on uClibc

Reported upstream: https://bugreports.qt-project.org/browse/QTBUG-35742

uClibc defines __GNU_LIBRARY__ like glibc, but doesn't provide
gnu/lib-names.h, so the build breaks with:

kernel/qdnslookup_unix.cpp:56:29: fatal error: gnu/lib-names.h:
No such file or directory

Fix it by explicitly checking for !uClibc.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
 src/network/kernel/qdnslookup_unix.cpp |    2 +-
 src/network/kernel/qhostinfo_unix.cpp  |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Index: qt5base-5.2.0/src/network/kernel/qdnslookup_unix.cpp
===================================================================
--- qt5base-5.2.0.orig/src/network/kernel/qdnslookup_unix.cpp
+++ qt5base-5.2.0/src/network/kernel/qdnslookup_unix.cpp
@@ -52,7 +52,7 @@
 #include <arpa/nameser_compat.h>
 #include <resolv.h>
 
-#ifdef __GNU_LIBRARY__
+#if defined(__GNU_LIBRARY__) && !defined(__UCLIBC__)
 #  include <gnu/lib-names.h>
 #endif
 
Index: qt5base-5.2.0/src/network/kernel/qhostinfo_unix.cpp
===================================================================
--- qt5base-5.2.0.orig/src/network/kernel/qhostinfo_unix.cpp
+++ qt5base-5.2.0/src/network/kernel/qhostinfo_unix.cpp
@@ -63,7 +63,7 @@
 #  include <resolv.h>
 #endif
 
-#ifdef __GNU_LIBRARY__
+#if defined(__GNU_LIBRARY__) && !defined(__UCLIBC__)
 #  include <gnu/lib-names.h>
 #endif