Glibc validation test now performed also on FreeBSD, fixed

Author: uraimo

validation-test/stdlib/Glibc.swift

@@ -1,12 +1,14 @@
-// RUN: %target-run-stdlib-swift
+// RUN: %target-run-simple-swift
 // REQUIRES: executable_test
+//
+// UNSUPPORTED: OS=macosx
+// UNSUPPORTED: OS=ios
+// UNSUPPORTED: OS=tvos
+// UNSUPPORTED: OS=watchos
+// UNSUPPORTED: OS=linux-androideabi
 
-// REQUIRES: OS=linux-gnu
-
-import Swift
 import StdlibUnittest
 
-
 import Glibc
 
 var GlibcTestSuite = TestSuite("Glibc")