Update scanner.lua

Author: waruqi

xmake/rules/c++/modules/scanner.lua

@@ -362,7 +362,7 @@ function _patch_sourcebatch(target, sourcebatch)
             local strict = target:policy("build.c++.modules.reuse.strict") or
                            target:policy("build.c++.modules.tryreuse.discriminate_on_defines")
             local dep = target:dep(fileconfig.external)
-            assert(dep, format("dep target <%s> for <%s>", fileconfig.external, target:fullname()))
+            assert(dep, "dep target <%s> for <%s>", fileconfig.external, target:fullname())
 
             local can_reuse = nocheck or _are_flags_compatible(target, dep, sourcefile, {strict = strict})
             if can_reuse then