concurrencykit: drop trailing continuation character in do_configure

* with newer bitbake it parses it differently and task fails:
  concurrencykit/0.4.3+gitAUTOINC+900d203aa9-r0/temp/run.do_configure.13244:
  Syntax error: end of file unexpected (expecting "}")

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-devtools/concurrencykit/concurrencykit_git.bb

@@ -29,7 +29,7 @@ do_configure () {
     ${S}/configure \
     --prefix=${prefix} \
     --includedir=${includedir} \
-    --libdir=${libdir} \
+    --libdir=${libdir}
 }
 
 do_compile () {