Update OpenAL-soft to 1.21.1

libs/openal-soft/cmake/bin2h.script.cmake

@@ -0,0 +1,13 @@
+# Read the input file into 'indata', converting each byte to a pair of hex
+# characters
+file(READ "${INPUT_FILE}" indata HEX)
+
+# For each pair of characters, indent them and prepend the 0x prefix, and
+# append a comma separateor.
+# TODO: Prettify this. Should group a number of bytes per line instead of one
+# per line.
+string(REGEX REPLACE "(..)" "    0x\\1,\n" output "${indata}")
+
+# Write the list of hex chars to the output file in a const byte array
+file(WRITE "${OUTPUT_FILE}"
+    "const unsigned char ${VARIABLE_NAME}[] = {\n${output}};\n")