From 9881d58fee8a9ec346df80c31dbe8cb6648538d3 Mon Sep 17 00:00:00 2001
From: allywarner <avw0731@gmail.com>
Date: Tue, 16 Oct 2018 15:34:44 -0600
Subject: [PATCH] BUG: CMake build errors

Removed quotes from URL and URL_HASH commands that were causing build errors.
---
 CMake/itkExternal_FFTW.cmake | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CMake/itkExternal_FFTW.cmake b/CMake/itkExternal_FFTW.cmake
index 087a5418184..174b862eace 100644
--- a/CMake/itkExternal_FFTW.cmake
+++ b/CMake/itkExternal_FFTW.cmake
@@ -95,7 +95,7 @@ else()
       itk_download_attempt_check(FFTW)
       ExternalProject_add(fftwf
         PREFIX fftwf
-        URL "${_fftw_url}"
+        URL ${_fftw_url}
         URL_HASH SHA512=${_fftw_url_hash}
         DOWNLOAD_NAME "fftw-${_fftw_target_version}.tar.gz"
         CONFIGURE_COMMAND
@@ -123,7 +123,7 @@ else()
       itk_download_attempt_check(FFTW)
       ExternalProject_add(fftwd
         PREFIX fftwd
-        URL "${_fftw_url}"
+        URL ${_fftw_url}
         URL_HASH SHA512=${_fftw_url_hash}
         DOWNLOAD_NAME "fftw-${_fftw_target_version}.tar.gz"
         CONFIGURE_COMMAND