Fix compilation warnings for dlsym() calls

PFMoveApplication.m

@@ -231,8 +231,13 @@ void PFMoveToApplicationsFolderIfNecessary(void) {
 
 	// Get (undocumented?) function symbols for looking up app translocation info
 	// Note: <Security/SecTranslocation.h> was available in the macOS 10.12 beta SDKs but seems to have been removed as of Xcode 8.1
-	Boolean(*mySecTranslocateIsTranslocatedURL)(CFURLRef path, bool *isTranslocated, CFErrorRef * __nullable error) = dlsym(handle, "SecTranslocateIsTranslocatedURL");
-	CFURLRef __nullable(*mySecTranslocateCreateOriginalPathForURL)(CFURLRef translocatedPath, CFErrorRef * __nullable error) = dlsym(handle, "SecTranslocateCreateOriginalPathForURL");
+	// see https://opensource.apple.com/source/Security/Security-58286.70.7/OSX/libsecurity_translocate/lib/SecTranslocate.h.auto.html
+
+	typedef Boolean (*SecTranslocateIsTranslocatedURL_t)(CFURLRef path, bool *isTranslocated, CFErrorRef * __nullable error);
+	SecTranslocateIsTranslocatedURL_t mySecTranslocateIsTranslocatedURL = (SecTranslocateIsTranslocatedURL_t)dlsym(handle, "SecTranslocateIsTranslocatedURL");
+
+	typedef CFURLRef __nullable(*SecTranslocateCreateOriginalPathForURL_t)(CFURLRef translocatedPath, CFErrorRef * __nullable error);
+	SecTranslocateCreateOriginalPathForURL_t mySecTranslocateCreateOriginalPathForURL = (SecTranslocateCreateOriginalPathForURL_t)dlsym(handle, "SecTranslocateCreateOriginalPathForURL");
 
 	dlclose(handle);