https://bugs.gentoo.org/872080

This check can't handle curl >= 8 or non-bash /bin/sh.
--- a/configure.ac
+++ b/configure.ac
@@ -81,11 +81,6 @@ if test "x$CURL_CONFIG" = "x" ; then
 fi
 CURL_CFLAGS=`$CURL_CONFIG --cflags`
 CURL_LIBS=`$CURL_CONFIG --libs`
-let CURL_VERNUM=0x0`$CURL_CONFIG --vernum`
-let CURL_VERMIN=0x071301		# 7.19.1
-if test $CURL_VERNUM -lt $CURL_VERMIN; then
-	AC_MSG_ERROR(Requires libcurl version >= 7.19.1)
-fi
 AC_SUBST(CURL_CFLAGS)
 AC_SUBST(CURL_LIBS)