configure: fix spelling

diff --git a/configure.ac b/configure.ac
index 634d635949e6ea6ba1b3b39b47f514f38ac960dc..9c47b5b4f1fed7fa38d0be37450194cfaa0c5cad 100755 (executable)
--- a/configure.ac
+++ b/configure.ac
@@ -1545,7 +1545,7 @@ echo "
 Quagga configuration
 --------------------
 quagga version          : ${PACKAGE_VERSION}
-host operationg system  : ${host_os}
+host operating system  : ${host_os}
 source code location    : ${srcdir}
 compiler                : ${CC}
 compiler flags          : ${CFLAGS}