ddrescue: Cleanup patch

Drop extra line due to amended commit

sys-fs/ddrescue/patches/ddrescue-1.19.patchset

@@ -1,4 +1,4 @@
-From 1e614d3caf1f17a9c47e78aa879b20a1e6a5e0ae Mon Sep 17 00:00:00 2001
+From dfb317fc2a8456f2d6dbf1793301a32161daccbc Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Fran=C3=A7ois=20Revol?= <revol@free.fr>
 Date: Tue, 28 Oct 2014 15:27:22 +0100
 Subject: [PATCH] Add device name detection on Haiku
@@ -8,13 +8,12 @@ to ddrescue.h to avoid redeclaring it.
 Also drop linux.h since it's then useless.
 ---
  Makefile.in |  7 ++++---
- ddrescue.h  |  1 +
  extra.h     | 23 +++++++++++++++++++++++
  haiku.cc    | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
  linux.cc    |  6 +-----
  linux.h     | 18 ------------------
  main.cc     |  2 +-
- 7 files changed, 82 insertions(+), 27 deletions(-)
+ 6 files changed, 81 insertions(+), 27 deletions(-)
  create mode 100644 extra.h
  create mode 100644 haiku.cc
  delete mode 100644 linux.h
@@ -49,15 +48,6 @@ index de0c787..86ac8b5 100644
  ddrescuelog.o : Makefile arg_parser.h block.h ddrescue.h main_common.cc
  
  
-diff --git a/ddrescue.h b/ddrescue.h
-index 59d3111..ddd2c65 100644
---- a/ddrescue.h
-+++ b/ddrescue.h
-@@ -264,3 +264,4 @@ const char * format_time( long t );
- bool interrupted();
- void set_signals();
- int signaled_exit();
-+
 diff --git a/extra.h b/extra.h
 new file mode 100644
 index 0000000..a013c38