pcre2: fix libs property (#18525)

var/spack/repos/builtin/packages/pcre2/package.py

@@ -37,7 +37,9 @@ def configure_args(self):
 
     @property
     def libs(self):
-        libs = find_libraries('libpcre2*',
+        if '+multibyte' in self.spec:
-                              root=self.prefix.lib,
+            name = 'libpcre2-32'
-                              recursive=False)
+        else:
-        return libs
+            name = 'libpcre2-8'
+
+        return find_libraries(name, root=self.prefix, recursive=True)