Merge pull request #331 from showlabor/master

Adjust feedback for algorithm 32 in Mk I engine

Author: asb2m10

Source/EngineMkI.cpp

@@ -338,6 +338,10 @@ void EngineMkI::render(int32_t *output, FmOpParams *params, int algorithm, int32
                             params[1].phase += params[1].freq << LG_N;  // yuk, hack, we already processed op-5
                             op++; // ignore next operator;
                             break;
+                        case 31 :
+                            // one operator feedback, process exception for ALGO 32
+                            compute_fb(outptr, param.phase, param.freq, gain1, gain2, fb_buf, min((feedback_shift+2), 16), add);
+                            break;
                         default:
                             // one operator feedback, normal process
                             compute_fb(outptr, param.phase, param.freq, gain1, gain2, fb_buf, feedback_shift, add);