all: Use "" instead of <> to include internal headers

Reviewed-by: Niklas Haas <ffmpeg@haasn.dev>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

fftools/textformat/tf_mermaid.c

@@ -27,10 +27,9 @@
 #include "avtextformat.h"
 #include "tf_internal.h"
 #include "tf_mermaid.h"
-#include <libavutil/mem.h>
-#include <libavutil/avassert.h>
-#include <libavutil/bprint.h>
-#include <libavutil/opt.h>
+#include "libavutil/bprint.h"
+#include "libavutil/mem.h"
+#include "libavutil/opt.h"
 
 
 static const char *init_directive = ""

libavfilter/vf_colordetect.h

@@ -22,9 +22,8 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include <libavutil/avassert.h>
-#include <libavutil/macros.h>
-#include <libavutil/pixfmt.h>
+#include "libavutil/avassert.h"
+#include "libavutil/pixfmt.h"
 
 enum FFAlphaDetect {
     FF_ALPHA_NONE         = -1,

libavfilter/vf_deshake_opencl.c

@@ -46,7 +46,7 @@
  */
 
 #include <float.h>
-#include <libavutil/lfg.h>
+#include "libavutil/lfg.h"
 #include "libavutil/opt.h"
 #include "libavutil/mem.h"
 #include "libavutil/fifo.h"

libswscale/ops_optimizer.c

@@ -19,7 +19,7 @@
  */
 
 #include "libavutil/avassert.h"
-#include <libavutil/bswap.h>
+#include "libavutil/bswap.h"
 #include "libavutil/rational.h"
 
 #include "ops.h"

libswscale/x86/ops.c

@@ -20,8 +20,8 @@
 
 #include <float.h>
 
-#include <libavutil/avassert.h>
-#include <libavutil/mem.h>
+#include "libavutil/avassert.h"
+#include "libavutil/mem.h"
 
 #include "../ops_chain.h"