debug/ltrace: fix build with /exotic/ linux-host OS

For ARM EABI hosts (ct-ng's target), the tupple ends in 'gnueabi'
For uClibc-based toolchains, the tuple ends in '-uclibc.*'
Make ltrace recognise those tuples as being the same as 'linux-gnu'

patches/ltrace/0.5.2/130-fix-build-with-exotic-linux-host-OS.patch

@@ -0,0 +1,26 @@
+diff -durN ltrace-0.5.2.orig/configure ltrace-0.5.2/configure
+--- ltrace-0.5.2.orig/configure	2009-09-14 18:47:45.000000000 +0200
++++ ltrace-0.5.2/configure	2009-09-14 18:49:18.000000000 +0200
+@@ -1829,6 +1829,9 @@
+   linux-gnu*) host_os=linux-gnu
+ esac
+ HOST_OS="$host_os"
++case "${HOST_OS}" in
++  linux-*) HOST_OS=linux-gnu;;
++esac
+ 
+ 
+ ac_ext=c
+diff -durN ltrace-0.5.2.orig/configure.ac ltrace-0.5.2/configure.ac
+--- ltrace-0.5.2.orig/configure.ac	2009-09-14 18:47:45.000000000 +0200
++++ ltrace-0.5.2/configure.ac	2009-09-14 18:49:18.000000000 +0200
+@@ -10,6 +10,9 @@
+   linux-gnu*) host_os=linux-gnu
+ esac
+ HOST_OS="$host_os"
++case "${HOST_OS}" in
++  linux-*) HOST_OS=linux-gnu;;
++esac
+ AC_SUBST(HOST_OS)
+ HOST_ARCH="$host_cpu"
+ AC_SUBST(HOST_ARCH)