Fix broken links and displaced coloring in coverage-report-server.py

[d.nikiforov]

Summary

• Fixed relative links to source files
• Enumeration of lines in source files starts from 1 instead of 0 to align with .symcov files generated by sancov -symbolize

[aizatsky]

Thanks

llvm/trunk/tools/sancov/coverage-report-server.py

def do_GET(self):
             self.end_headers()
 
             filelist = []
             for filename in sorted(self.symcov_data.filenames()):
                 file_coverage = self.symcov_data.file_coverage[filename]
                 if not file_coverage:
                     continue
                 filelist.append(
-                        "<tr><td><a href=\"/{name}\">{name}</a></td>"
+                        "<tr><td><a href=\"./{name}\">{name}</a></td>"
                         "<td>{coverage}%</td></tr>".format(
                             name=html.escape(filename, quote=True), 
                             coverage=format_pct(file_coverage)))
 
             response = string.Template(INDEX_PAGE_TMPL).safe_substitute(
                 filenames='\n'.join(filelist))
             self.wfile.write(response.encode('UTF-8', 'replace'))
         elif self.symcov_data.has_file(self.path[1:]):
def do_GET(self):
 
             linemap = self.symcov_data.compute_linemap(filename)
 
             with open(filepath, 'r') as f:
                 content = "\n".join(
                         ["<span class='{cls}'>{line}&nbsp;</span>".format(
                             line=html.escape(line.rstrip()), 
                             cls=linemap.get(line_no, ""))
-                            for line_no, line in enumerate(f)])
+                            for line_no, line in enumerate(f, start=1)])
 
             response = string.Template(CONTENT_PAGE_TMPL).safe_substitute(
                 path=self.path[1:],
                 content=content)
 
             self.wfile.write(response.encode('UTF-8', 'replace'))
         else:
             self.send_response(404)