tweaked names for a cleaner diff

Generator/Generator/ClassGen.swift

@@ -514,23 +514,23 @@ func generateClasses (values: [JGodotExtensionAPIClass], outputDir: String?) asy
 /// Return the type of a signal's parameters.
 func getGenericSignalType(_ signal: JGodotSignal) -> String {
     var argTypes: [String] = []
-        for arg in signal.arguments ?? [] {
-        let t = getGodotType(arg)
-        if !t.isEmpty && t != "Variant" {
-            argTypes.append(t)
+    for signalArgument in signal.arguments ?? [] {
+        let godotType = getGodotType(signalArgument)
+        if !godotType.isEmpty && godotType != "Variant" {
+            argTypes.append(godotType)
         }
-                }
+    }
 
     return argTypes.isEmpty ? "GenericSignal< /* no args */ >" : "GenericSignal<\(argTypes.joined(separator: ", "))>"
-            }
+ }
 
 /// Return the names of a signal's parameters,
 /// for use in documenting the corresponding lambda.
 func getGenericSignalLambdaArgs(_ signal: JGodotSignal) -> String {
     var argNames: [String] = []
-        for arg in signal.arguments ?? [] {
-        argNames.append(escapeSwift(snakeToCamel(arg.name)))
-        }
+    for signalArgument in signal.arguments ?? [] {
+        argNames.append(escapeSwift(snakeToCamel(signalArgument.name)))
+    }
 
     return argNames.joined(separator: ", ")
 }