patch 8.2.3037: configure reports libcanberra when checking for libsodium

Problem:    Configure reports libcanberra when checking for libsodium.
Solution:   Adjust the message. (Ozaki Kiichi, closes #8435)
diff --git a/src/auto/configure b/src/auto/configure
index cd678fd..fba6a19 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -13040,8 +13040,8 @@
     libsodium_lib=-lsodium
     libsodium_cflags=
   fi
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libcanberra" >&5
-$as_echo_n "checking for libcanberra... " >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libsodium" >&5
+$as_echo_n "checking for libsodium... " >&6; }
   ac_save_CFLAGS="$CFLAGS"
   ac_save_LIBS="$LIBS"
   CFLAGS="$CFLAGS $libsodium_cflags"