[GTK] Fix natives build on Arch Linux

Arch Linux JDK packages ship libjawt.debuginfo alongside libjawt.so,
which causes AWT_LIB_EXPR to match two files and fail subsequent tests.
The fix is to avoid the glob.

Note that the glob was added in fe1e55b0565f9c0e776bf479a089121335fd6c77
to suport AIX, which at the time had libjawt.a instead of libjawt.so.

Change-Id: I9e9aef620aebaddfaf0e83ab88fde35fe11c5c78
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.swt/+/191030
Tested-by: Platform Bot <platform-bot@eclipse.org>
Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/build.sh b/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/build.sh
index 3dea89e..4717d00 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/build.sh
+++ b/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/build.sh
@@ -174,7 +174,7 @@
 if [ ${SWT_OS} = 'win32' ]; then
 	AWT_LIB_EXPR="jawt.dll"
 else
-	AWT_LIB_EXPR="libjawt.*"
+	AWT_LIB_EXPR="libjawt.so"
 fi
 
 if [ -z "${AWT_LIB_PATH}" ]; then