Reinstated sync support for systems using 1PPS signal. This had inadvertently been removed.

git-svn-id: https://redoubt.ligo-wa.caltech.edu/svn/advLigoRTS/branches/branch-2.4@2967 6dcd42c9-f523-4c6d-aada-af552506706e

src/fe/controller.c

@@ -1584,7 +1584,6 @@ udelay(1000);
             }
 #endif
 
-#if 0
 		  // Try synching to 1PPS on ADC[0][31] if not using IRIG-B or TDS
 		  // Only try for 1 sec.
                   if(!sync21pps)
@@ -1611,7 +1610,6 @@ udelay(1000);
 				pLocalEpics->epicsOutput.timeErr = syncSource;
                         }
                 }
-#endif
 #ifdef ADC_SLAVE
 		// SLAVE gets its adc data from MASTER via ipc shared memory
                for(jj=0;jj<cdsPciModules.adcCount;jj++)