[stdlib] Add missing Glibc dependency for OpenBSD.

Otherwise, the build may fail as the build attempts to build
SwiftReflectionTest before Glibc has been built.

Author: 3405691582

stdlib/private/SwiftReflectionTest/CMakeLists.txt

@@ -9,6 +9,7 @@ if (SWIFT_INCLUDE_TESTS)
     SWIFT_MODULE_DEPENDS_TVOS Darwin
     SWIFT_MODULE_DEPENDS_WATCHOS Darwin
     SWIFT_MODULE_DEPENDS_LINUX Glibc
+    SWIFT_MODULE_DEPENDS_OPENBSD Glibc
     SWIFT_MODULE_DEPENDS_WINDOWS CRT
     INSTALL_IN_COMPONENT stdlib-experimental
     DARWIN_INSTALL_NAME_DIR "${SWIFT_DARWIN_STDLIB_PRIVATE_INSTALL_NAME_DIR}")