sem_ch4.adb (Analyze_Conditional_Expression): handle properly overloaded expressions in a conditional expressions.

2009-07-07  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb (Analyze_Conditional_Expression): handle properly
	overloaded expressions in a conditional expressions.

	* sem_res.adb (Resolve): Handle properly overloaded conditional
	expressions.

From-SVN: r149317