Failure to detect OpenCL devices if any OpenCL platform fails

[edgmnt]

This is a Gentoo box, using net-misc/bfgminer-2.6.3.

$ bfgminer -T -D -d?
 [2012-08-09 22:56:02] Started bfgminer 2.6.3                    
 [2012-08-09 22:56:02] Loaded configuration file /home/<user>/.bfgminer/bfgminer.conf                    
 [2012-08-09 22:56:02] CL Platform 0 vendor: Advanced Micro Devices, Inc.                    
 [2012-08-09 22:56:02] CL Platform 0 name: AMD Accelerated Parallel Processing                    
 [2012-08-09 22:56:02] CL Platform 0 version: OpenCL 1.2 AMD-APP (938.1)                    
 [2012-08-09 22:56:02] Platform 0 devices: 1                    
 [2012-08-09 22:56:02]  0   Cypress                    
 [2012-08-09 22:56:02] CL Platform 1 vendor: Intel(R) Corporation                    
 [2012-08-09 22:56:02] CL Platform 1 name: Intel(R) OpenCL                    
 [2012-08-09 22:56:02] CL Platform 1 version: OpenCL 1.1 LINUX                    
 [2012-08-09 22:56:02] Error -1: Getting Device IDs (num)                    
 [2012-08-09 22:56:02] clDevicesNum returned error, no GPUs usable                    
 [2012-08-09 22:56:02] Devices detected:                    
 [2012-08-09 22:56:02]   0. CPU 0 (driver: cpu)                    
 [2012-08-09 22:56:02]   1. CPU 1 (driver: cpu)                    
 [2012-08-09 22:56:02]   2. CPU 2 (driver: cpu)                    
 [2012-08-09 22:56:02]   3. CPU 3 (driver: cpu)                    
4 devices listed

[luke-jr]

Fixed in 4105b04