Try to fix maxima detection script

Author: tobiasdiez

src/sage/libs/meson.build

@@ -9,10 +9,8 @@ ecl_bin = find_program('ecl', required: false)
 if ecl_bin.found()
   maxima_check = run_command(
     ecl_bin,
-    '--eval',
-    '(require \'maxima)',
-    '--eval',
-    '(quit)',
+    '--eval (require \'maxima)',
+    '--eval (quit)',
     check: false,
   )
   maxima_bin = find_program('maxima', required: false, disabler: true)