Merge remote-tracking branch 'qatar/master'

* qatar/master:
  rtpenc: fix overflow checking in avc_mp4_find_startcode()
  rtmp: fix buffer overflows in ff_amf_tag_contents()
  rtmp: fix multiple broken overflow checks
  float_dsp: Include config.h for redefining restrict
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavutil/float_dsp.h

@@ -19,6 +19,8 @@
 #ifndef AVUTIL_FLOAT_DSP_H
 #define AVUTIL_FLOAT_DSP_H
 
+#include "config.h"
+
 typedef struct AVFloatDSPContext {
     /**
      * Calculate the product of two vectors of floats and store the result in