avfilter/graphparser: add '\r' as whitespace

for compatibility with platforms that treat it
as newline

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

libavfilter/graphparser.c

@@ -27,7 +27,7 @@
 #include "libavutil/mem.h"
 #include "avfilter.h"
 
-#define WHITESPACES " \n\t"
+#define WHITESPACES " \n\t\r"
 
 /**
  * Link two filters together.

libavfilter/version.h

@@ -30,7 +30,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVFILTER_VERSION_MAJOR   6
-#define LIBAVFILTER_VERSION_MINOR  44
+#define LIBAVFILTER_VERSION_MINOR  45
 #define LIBAVFILTER_VERSION_MICRO 100
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \