Another CI fix

Author: pmattos

Sources/SwiftBuildSupport/PackagePIFBuilder+Helpers.swift

@@ -56,8 +56,8 @@ import struct PackageGraph.ResolvedProduct
 import func PackageLoading.pkgConfigArgs
 
 // TODO: Move this back to `PackagePIFBuilder` once we get rid of `#if canImport(SwiftBuild)`.
-func targetName(forProductName name: String, suffix: TargetSuffix? = nil) -> String {
-    let suffix = suffix?.rawValue ?? ""
+func targetName(forProductName name: String, suffix: String? = nil) -> String {
+    let suffix = suffix ?? ""
     return "\(name)\(suffix)-product"
 }
 
@@ -151,7 +151,7 @@ extension PackagePIFBuilder {
     /// This format helps make sure that targets and products with the same name (as they often have) have different
     /// target names in the PIF.
     static func targetName(forProductName name: String, suffix: TargetSuffix? = nil) -> String {
-        return SwiftBuildSupport.targetName(forProductName: name, suffix: suffix)
+        return SwiftBuildSupport.targetName(forProductName: name, suffix: suffix?.rawValue)
     }
 }