configure: Fix silly typo in logging command of check_struct()

diff --git a/configure b/configure
index 1aae93b..a933546 100755 (executable)
--- a/configure
+++ b/configure
@@ -923,7 +923,7 @@ check_type(){
 }
 
 check_struct(){
-    log check_type "$@"
+    log check_struct "$@"
     headers=$1
     struct=$2
     member=$3