Use 3 arg overload on Method for hasQualifiedName for Package/Name/Type

Author: felickz

go/ql/lib/semmle/go/frameworks/XPath.qll

@@ -148,15 +148,13 @@ module XPath {
      */
     private class LestratGoLibxml2XPathExpressionString extends Range {
       LestratGoLibxml2XPathExpressionString() {
-        exists(Function f, string name | name.matches("Parse%") |
-          f.hasQualifiedName("github.com/lestrrat-go/libxml2/parser.Parser", name) and
-          //f.hasQualifiedName(package("github.com/lestrrat-go/libxml2/parser.Parser", ""), name) and
-          this = f.getACall().getArgument(0)
+        exists(Method m, string name | name.matches("Parse%") |
+          m.hasQualifiedName(package("github.com/lestrrat-go/libxml2", "parser"), "Parser", name) and
+          this = m.getACall().getArgument(0)
         )
       }
     }
 
-
     /**
      * An XPath expression string used in an API function of the
      * [xpathparser](https://github.com/santhosh-tekuri/xpathparser) package.