gnucash 1.8.9 at 7924: Multiple changes pushed

[John Ralls]

       was  https://github.com/Gnucash/gnucash/tree/b1d67a35739d31acf0039e7eb2c45b7f9bb77697


tag 1.8.9 at 7924

'	* src/app-utils/option-util.c: use gh_scm2double() instead of 	  gh_scm2int() because guile-1.6 prefers it.  Fixes a crash when 	  opening the Pref's dialog when using guile-1.6.1'
cba1376c4b72c2eb86ce9c700f259119d0e156a6 	* src/app-utils/option-util.c: use gh_scm2double() instead of 	  gh_scm2int() because guile-1.6 prefers it.  Fixes a crash when 	  opening the Pref's dialog when using guile-1.6.1