pinprocfw: call PRDelete() even if file doesn't parse

Previously we'd fail to call PRDelete(), which may have been causing
some of my problems with attempting to re-connect to the P-ROC.
I assume PRDelete() closes out the connection in some way.

utils/pinprocfw/pinprocfw.cpp

@@ -2136,9 +2136,6 @@ int processFile()
             endClock    = clock();
             fclose( in );
 
-            // Destroy the P-ROC device handle:
-            PRDelete(proc);
-            proc = kPRHandleInvalid;
             return iErrorCode;
 }
 
@@ -2307,6 +2304,9 @@ int main( int argc, char** argv )
                       default:
                           break;
                     }
+                    // Destroy the P-ROC device handle created by openPROC()
+                    PRDelete(proc);
+                    proc = kPRHandleInvalid;
                 }
             }
         }