add missing escape character

rekall/rekall.spec

@@ -159,7 +159,7 @@ AutoReqProv:  no
           echo "export PATH"
           echo "LD_LIBRARY_PATH=\"%{l_prefix}/lib/rekall:\$LD_LIBRARY_PATH\""
           echo "export LD_LIBRARY_PATH"
-          echo "exec %{l_prefix}/libexec/rekall/$bin \${1+\"$@\"} 2>/dev/null"
+          echo "exec %{l_prefix}/libexec/rekall/$bin \${1+\"\$@\"} 2>/dev/null"
         ) >$RPM_BUILD_ROOT%{l_prefix}/bin/$bin
         chmod 755 $RPM_BUILD_ROOT%{l_prefix}/bin/$bin
     done