Remove some warnings
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3992 42af7a65-404d-4744-a932-0658087f49c3
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@ -128,9 +128,6 @@ static int up_sample(FAR struct up_dev_s *priv,
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FAR struct up_sample_s *sample);
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static int up_waitsample(FAR struct up_dev_s *priv,
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FAR struct up_sample_s *sample);
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static int up_transfer(FAR struct up_dev_s *priv, uint8_t cmd);
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static void up_worker(FAR void *arg);
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static int up_interrupt(int irq, FAR void *context);
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/* Character driver methods */
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@ -129,7 +129,7 @@ static void *up_x11eventthread(void *arg)
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if (ret != GrabSuccess)
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{
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fprintf(stderr, "Failed grap pointer\n");
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return -1;
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return NULL;
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}
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/* Then loop forever, waiting for events and processing events as they are
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