add more extern c blocks.

miniz_tdef.h

@@ -1,6 +1,9 @@
 #pragma once
 #include "miniz_common.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 // ------------------- Low-level Compression API Definitions
 
 // Set TDEFL_LESS_MEMORY to 1 to use less memory (compression will be slightly slower, and raw/dynamic blocks will be output more frequently).
@@ -184,3 +187,7 @@ mz_uint tdefl_create_comp_flags_from_zip_params(int level, int window_bits, int
 // structure size and allocation mechanism.
 tdefl_compressor *tdefl_compressor_alloc();
 void tdefl_compressor_free(tdefl_compressor *pComp);
+
+#ifdef __cplusplus
+}
+#endif

miniz_tinfl.h

@@ -2,6 +2,9 @@
 #include "miniz_common.h"
 // ------------------- Low-level Decompression API Definitions
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 // Decompression flags used by tinfl_decompress().
 // TINFL_FLAG_PARSE_ZLIB_HEADER: If set, the input has a valid zlib header and ends with an adler32 checksum (it's a valid zlib stream). Otherwise, the input is a raw deflate stream.
 // TINFL_FLAG_HAS_MORE_INPUT: If set, there are more input bytes available beyond the end of the supplied input buffer. If clear, the input buffer contains all remaining input.
@@ -133,3 +136,7 @@ struct tinfl_decompressor_tag
     tinfl_huff_table m_tables[TINFL_MAX_HUFF_TABLES];
     mz_uint8 m_raw_header[4], m_len_codes[TINFL_MAX_HUFF_SYMBOLS_0 + TINFL_MAX_HUFF_SYMBOLS_1 + 137];
 };
+
+#ifdef __cplusplus
+}
+#endif