Use CRLF headers in test responses to cope with newer nghttp2.

Taken from upstream:

  https://github.com/curl/curl/commit/ef121401d6eabed204a716f16b2776ededc75c0e

diff --git a/tests/data/test1700 b/tests/data/test1700
index 8b1ef4ae336c3..7f78bcf5f92ed 100644
--- a/tests/data/test1700
+++ b/tests/data/test1700
@@ -11,26 +11,26 @@ HTTP/2
 # Server-side
 <reply>
 <data nocheck="yes">
-HTTP/1.1 200 OK
-Date: Tue, 09 Nov 2010 14:49:00 GMT
-Server: test-server/fake
-Last-Modified: Tue, 13 Jun 2000 12:10:00 GMT
-ETag: "21025-dc7-39462498"
-Accept-Ranges: bytes
-Content-Length: 6
-Connection: close
-Content-Type: text/html
-Funny-head: yesyes
-
+HTTP/1.1 200 OK
+Date: Tue, 09 Nov 2010 14:49:00 GMT
+Server: test-server/fake
+Last-Modified: Tue, 13 Jun 2000 12:10:00 GMT
+ETag: "21025-dc7-39462498"
+Accept-Ranges: bytes
+Content-Length: 6
+Connection: close
+Content-Type: text/html
+Funny-head: yesyes
+
 -foo-
 </data>
 <data1>
-HTTP/1.1 200 OK
-Date: Tue, 09 Nov 2010 14:49:00 GMT
-Content-Length: 6
-Connection: close
-Content-Type: text/html
-
+HTTP/1.1 200 OK
+Date: Tue, 09 Nov 2010 14:49:00 GMT
+Content-Length: 6
+Connection: close
+Content-Type: text/html
+
 -maa-
 </data1>
 </reply>
diff --git a/tests/data/test1701 b/tests/data/test1701
index 3c1a2bd0b8217..22f6147d0503a 100644
--- a/tests/data/test1701
+++ b/tests/data/test1701
@@ -11,17 +11,17 @@ HTTP/2
 # Server-side
 <reply>
 <data nocheck="yes">
-HTTP/1.1 200 OK
-Date: Tue, 09 Nov 2010 14:49:00 GMT
-Server: test-server/fake
-Last-Modified: Tue, 13 Jun 2000 12:10:00 GMT
-ETag: "21025-dc7-39462498"
-Accept-Ranges: bytes
-Content-Length: 6
-Connection: close
-Content-Type: text/html
-Funny-head: yesyes
-
+HTTP/1.1 200 OK
+Date: Tue, 09 Nov 2010 14:49:00 GMT
+Server: test-server/fake
+Last-Modified: Tue, 13 Jun 2000 12:10:00 GMT
+ETag: "21025-dc7-39462498"
+Accept-Ranges: bytes
+Content-Length: 6
+Connection: close
+Content-Type: text/html
+Funny-head: yesyes
+
 -foo-
 </data>
 </reply>
diff --git a/tests/data/test358 b/tests/data/test358
index 8b4f6606247a0..0f8a9801bbcb5 100644
--- a/tests/data/test358
+++ b/tests/data/test358
@@ -12,14 +12,14 @@ HTTP/2
 # Server-side
 <reply>
 <data nocheck="yes">
-HTTP/1.1 200 OK
-Date: Tue, 09 Nov 2010 14:49:00 GMT
-Content-Length: 6
-Connection: close
-Content-Type: text/html
-Funny-head: yesyes
-Alt-Svc: h2=":%HTTP2PORT", ma=315360000; persist=0
-
+HTTP/1.1 200 OK
+Date: Tue, 09 Nov 2010 14:49:00 GMT
+Content-Length: 6
+Connection: close
+Content-Type: text/html
+Funny-head: yesyes
+Alt-Svc: h2=":%HTTP2PORT", ma=315360000; persist=0
+
 -foo-
 </data>
 </reply>
diff --git a/tests/data/test359 b/tests/data/test359
index a5ba4e3ae0971..0e684e39e5aa5 100644
--- a/tests/data/test359
+++ b/tests/data/test359
@@ -12,14 +12,14 @@ HTTP/2
 # Server-side
 <reply>
 <data nocheck="yes">
-HTTP/1.1 200 OK
-Date: Tue, 09 Nov 2010 14:49:00 GMT
-Content-Length: 6
-Connection: close
-Content-Type: text/html
-Funny-head: yesyes
-Alt-Svc: h2=":%HTTP2PORT", ma=315360000; persist=0
-
+HTTP/1.1 200 OK
+Date: Tue, 09 Nov 2010 14:49:00 GMT
+Content-Length: 6
+Connection: close
+Content-Type: text/html
+Funny-head: yesyes
+Alt-Svc: h2=":%HTTP2PORT", ma=315360000; persist=0
+
 -foo-
 </data>
 </reply>