Update GEMINIFM.SRC

Swapped two alternate voices

Author: TheNetNomad

GEMINIFM.SRC

@@ -1093,7 +1093,7 @@ BEGIN
 	BYTE OPM4_INST;
 	BYTE OPM5_INST;
 
-	DISPLAY "GEMINI FM VERSION 0.5.3 BETA";
+	DISPLAY "GEMINI FM VERSION 0.5.4 BETA";
 	DISPLAY "CREATED BY _NETNOMAD";
 	DISPLAY "";
 
@@ -1938,10 +1938,10 @@ BEGIN
 			^h12: MOVE #OPM_A1_20 TO OPM_INST_POINTER;
 			^h13: MOVE #OPM_A2_20 TO OPM_INST_POINTER;
 			^h14: MOVE #OPM_A3_20 TO OPM_INST_POINTER;
-			^h15: MOVE #OPM_A4_20 TO OPM_INST_POINTER;
+			^h15: MOVE #OPM_A7_20 TO OPM_INST_POINTER;
 			^h16: MOVE #OPM_A5_20 TO OPM_INST_POINTER;
 			^h17: MOVE #OPM_A6_20 TO OPM_INST_POINTER;
-			^h18: MOVE #OPM_A7_20 TO OPM_INST_POINTER;
+			^h18: MOVE #OPM_A4_20 TO OPM_INST_POINTER;
 			^h19: MOVE #OPM_A8_20 TO OPM_INST_POINTER;
 			^h1A: MOVE #OPM_A9_20 TO OPM_INST_POINTER;
 			^h1B: MOVE #OPM_AA_20 TO OPM_INST_POINTER;