move io/Cursor-defs.h to io/Cursor.cpp

Summary:
The two function definitions in this file are both normal function definitions,
not template functions.  Therefore this should be just a normal .cpp file, and
not a -defs.h header file.

Reviewed By: igorsugak

Differential Revision: D3348439

fbshipit-source-id: 3ebe49c84493f5aab06c568d9df15a37c2c48836

folly/Makefile.am

@@ -401,6 +401,7 @@ libfolly_la_SOURCES = \
 	IPAddressV6.cpp \
 	LifoSem.cpp \
 	io/Compression.cpp \
+	io/Cursor.cpp \
 	io/IOBuf.cpp \
 	io/IOBufQueue.cpp \
 	io/RecordIO.cpp \

folly/io/Cursor-defs.h → folly/io/Cursor.cpp

@@ -13,8 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#pragma once
-
 #include <folly/io/Cursor.h>
 
 #include <cstdio>

folly/io/test/IOBufCursorBenchmark.cpp

@@ -20,7 +20,6 @@
 #include <folly/Format.h>
 #include <folly/Range.h>
 #include <folly/io/Cursor.h>
-#include <folly/io/Cursor-defs.h>
 
 DECLARE_bool(benchmark);
 

folly/io/test/IOBufCursorTest.cpp

@@ -19,7 +19,6 @@
 #include <folly/Format.h>
 #include <folly/Range.h>
 #include <folly/io/Cursor.h>
-#include <folly/io/Cursor-defs.h>
 
 #include <gtest/gtest.h>