Meet coding style requirements.

Signed-off-by: Jeremy Davies <jeremy@davies.name>

cally.py

@@ -531,7 +531,8 @@ def full_call_graph(functions, **kwargs):
 
                     print_buf(std_buf, '"{}" -> "{}";'.format(func, caller))
 
-                    if (caller not in functions) or (len(functions[caller]["files"]) == 0):
+                    if caller not in functions or \
+                       len(functions[caller]["files"]) == 0:
                         print_buf(std_buf, '"{}" [style=dashed]'.
                                   format(caller))
 
@@ -648,7 +649,8 @@ def main():
         match = re.match(function, line)
         if match is not None:
             function_name = match.group("function")
-            if function_name in functions and functions[function_name]["files"]:
+            if function_name in functions and \
+               functions[function_name]["files"]:
                 if not config.no_warnings:
                     print_err("WARNING: Function {} defined in multiple "
                               "files \"{}\"!".