Split thirdparty smaz.c out of compressed_translation.cpp
Code comes from 150e125cba/smaz.c
With a small modification to match Godot expectations:
```
diff --git a/thirdparty/core/smaz.c b/thirdparty/core/smaz.c
index 9b1ebc2..555dfea 100644
--- a/thirdparty/core/smaz.c
+++ b/thirdparty/core/smaz.c
@@ -14,7 +14,7 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
#include <string.h>
/* Our compression codebook, used for compression */
-static char *Smaz_cb[241] = {
+static const char *Smaz_cb[241] = {
"\002s,\266", "\003had\232\002leW", "\003on \216", "", "\001yS",
"\002ma\255\002li\227", "\003or \260", "", "\002ll\230\003s t\277",
"\004fromg\002mel", "", "\003its\332", "\001z\333", "\003ingF", "\001>\336",
@@ -89,7 +89,7 @@ static char *Smaz_rcb[254] = {
"e, ", " it", "whi", " ma", "ge", "x", "e c", "men", ".com"
};
-int smaz_compress(char *in, int inlen, char *out, int outlen) {
+int smaz_compress(const char *in, int inlen, char *out, int outlen) {
unsigned int h1,h2,h3=0;
int verblen = 0, _outlen = outlen;
char verb[256], *_out = out;
@@ -167,7 +167,7 @@ out:
return out-_out;
}
-int smaz_decompress(char *in, int inlen, char *out, int outlen) {
+int smaz_decompress(const char *in, int inlen, char *out, int outlen) {
unsigned char *c = (unsigned char*) in;
char *_out = out;
int _outlen = outlen;
@@ -192,7 +192,7 @@ int smaz_decompress(char *in, int inlen, char *out, int outlen) {
inlen -= 2+len;
} else {
/* Codebook entry */
- char *s = Smaz_rcb[*c];
+ const char *s = Smaz_rcb[*c];
int len = strlen(s);
if (outlen < len) return _outlen+1;
diff --git a/thirdparty/core/smaz.h b/thirdparty/core/smaz.h
index a547d89..a9d8a33 100644
--- a/thirdparty/core/smaz.h
+++ b/thirdparty/core/smaz.h
@@ -14,7 +14,7 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
#ifndef _SMAZ_H
#define _SMAZ_H
-int smaz_compress(char *in, int inlen, char *out, int outlen);
-int smaz_decompress(char *in, int inlen, char *out, int outlen);
+int smaz_compress(const char *in, int inlen, char *out, int outlen);
+int smaz_decompress(const char *in, int inlen, char *out, int outlen);
#endif
```
c5f830d6b9