gnu: guile-static: Disable JIT on GNU/Hurd.

* gnu/packages/make-bootstrap.scm (make-guile-static): Pass
"--disable-jit" when targeting GNU/Hurd.

gnu/packages/make-bootstrap.scm

@@ -699,8 +699,10 @@ (define* (make-guile-static guile patches)
           ;; When `configure' checks for ltdl availability, it
           ;; doesn't try to link using libtool, and thus fails
           ;; because of a missing -ldl.  Work around that.
-          ''("LDFLAGS=-ldl"
-             "--enable-mini-gmp"))
+          `(list "LDFLAGS=-ldl" "--enable-mini-gmp"
+                 ,@(if (hurd-target?)
+                       '("--disable-jit")
+                       '())))
          ((#:phases phases '%standard-phases)
           `(modify-phases ,phases