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Reset HPC timers every half an hour instead of every hour

--- a/src/ft2_hpc.c

+++ b/src/ft2_hpc.c

@@ -98,7 +98,7 @@

 	hpc->durationInt = hpcFreq.freq64 / hz;

 	hpc->durationFrac = getFrac64FromU64DivU32(hpcFreq.freq64, hz) >> 1;

-	hpc->resetFrame = hz * 3600; // reset counters every hour

+	hpc->resetFrame = hz * (60 * 30); // reset counters every half an hour

 }

 void hpc_ResetCounters(hpc_t *hpc)

@@ -151,8 +151,8 @@

 	/* The counter ("endTimeInt") can accumulate major errors after a couple of hours,

 	** since each frame is not happening at perfect intervals.

-	** To fix this, reset the counter's int & frac once every hour. We should only get

-	** up to one frame of stutter while they are resetting, then it's back to normal.

+	** To fix this, reset the counter's int & frac once every half an hour. We should only

+	** get up to one frame of stutter while they are resetting, then it's back to normal.

 	*/

 	hpc->frameCounter++;

 	if (hpc->frameCounter >= hpc->resetFrame)