Avoid l as a variable name

Python-lint correctly warns about single-character variables that can be confused with numbers

Author: tbkka

utils/swift-rpathize.py

@@ -64,9 +64,9 @@ def rpathize(filename):
 
     # Build a command to invoke install_name_tool.
     command = ['install_name_tool']
-    for line in dylibsOutput.splitlines():
-        l = line.decode("utf-8", "strict")
-        match = dylib_regex.match(l)
+    for binaryline in dylibsOutput.splitlines():
+        line = binaryline.decode("utf-8", "strict")
+        match = dylib_regex.match(line)
         if match:
             command.append('-change')
             command.append(match.group('path'))