Sync strace.spec and debian/ with packages

* debian/changelog: Sync with 4.8-1.1.
* debian/control: Likewise.
* debian/rules: Likewise.
* strace.spec: Sync with 4.8-5.
diff --git a/debian/control b/debian/control
index a7e36b1..3673d2e 100644
--- a/debian/control
+++ b/debian/control
@@ -3,13 +3,13 @@
 Section: utils
 Priority: optional
 Build-Depends: libc6-dev (>= 2.2.2) [!alpha !ia64], libc6.1-dev (>= 2.2.2) [alpha ia64], gcc-multilib [i386 powerpc s390 sparc], debhelper (>= 7.0.0)
-Standards-Version: 3.8.4
+Standards-Version: 3.9.5
 Homepage: http://sourceforge.net/projects/strace/
 
 Package: strace
 Architecture: alpha amd64 arm64 armeb armel armhf hppa i386 ia64 m68k mips mipsel or1k powerpc powerpcspe ppc64 s390 s390x sh4 sparc sparc64 x32
 Depends: ${shlibs:Depends}, ${misc:Depends}
-Description: A system call tracer
+Description: System call tracer
  strace is a system call tracer, i.e. a debugging tool which prints out
  a trace of all the system calls made by a another process/program.
  The program to be traced need not be recompiled for this, so you can
@@ -23,7 +23,7 @@
 Architecture: i386 powerpc s390 sparc
 Priority: extra
 Depends: ${shlibs:Depends}, ${misc:Depends}
-Description: A system call tracer for 64bit binaries
+Description: System call tracer for 64bit binaries
  strace is a system call tracer, i.e. a debugging tool which prints out
  a trace of all the system calls made by a another process/program.
  The program to be traced need not be recompiled for this, so you can
@@ -42,7 +42,7 @@
 Priority: extra
 Architecture: alpha amd64 arm64 armeb armel armhf hppa i386 ia64 m68k mips mipsel or1k powerpc powerpcspe ppc64 s390 sh4 sparc sparc64 x32
 Depends: ${shlibs:Depends}, ${misc:Depends}
-Description: A system call tracer
+Description: System call tracer
  strace is a system call tracer, i.e. a debugging tool which prints out
  a trace of all the system calls made by a another process/program.
  The program to be traced need not be recompiled for this, so you can