runtests: die if curl version can be found

Closes #10813

diff --git a/tests/runtests.pl b/tests/runtests.pl
index de394bd3e20a21b52b55899d527043c46183120e..124a9646352c6df9194607ad087918976cdb8779 100755 (executable)
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -5970,7 +5970,8 @@ if(!$randseed) {
         localtime(time);
     # seed of the month. December 2019 becomes 201912
     $randseed = ($year+1900)*100 + $mon+1;
-    open(C, "$CURL --version 2>/dev/null|");
+    open(C, "$CURL --version 2>/dev/null|") ||
+        die "could not get curl version!";
     my @c = <C>;
     close(C);
     # use the first line of output and get the md5 out of it