removed CLI dependency to legacy unsafe function

makint the CLI ons step closer to being linkable to the dynamic library

programs/.gitignore

@@ -8,6 +8,7 @@ zstd-frugal
 zstd-small
 zstd-nolegacy
 zstd-dictBuilder
+zstd-dll
 
 # Object files
 *.o

programs/dibio.c

@@ -255,18 +255,6 @@ static fileStats DiB_fileStats(const char** fileNamesTable, unsigned nbFiles, si
 }
 
 
-/*! ZDICT_trainFromBuffer_unsafe_legacy() :
-    Strictly Internal use only !!
-    Same as ZDICT_trainFromBuffer_legacy(), but does not control `samplesBuffer`.
-    `samplesBuffer` must be followed by noisy guard band to avoid out-of-buffer reads.
-    @return : size of dictionary stored into `dictBuffer` (<= `dictBufferCapacity`)
-              or an error code.
-*/
-size_t ZDICT_trainFromBuffer_unsafe_legacy(void* dictBuffer, size_t dictBufferCapacity,
-                                           const void* samplesBuffer, const size_t* samplesSizes, unsigned nbSamples,
-                                           ZDICT_legacy_params_t parameters);
-
-
 int DiB_trainFromFiles(const char* dictFileName, unsigned maxDictSize,
                        const char** fileNamesTable, unsigned nbFiles, size_t chunkSize,
                        ZDICT_legacy_params_t* params, ZDICT_cover_params_t* coverParams,
@@ -319,9 +307,9 @@ int DiB_trainFromFiles(const char* dictFileName, unsigned maxDictSize,
     {   size_t dictSize;
         if (params) {
             DiB_fillNoise((char*)srcBuffer + loadedSize, NOISELENGTH);   /* guard band, for end of buffer condition */
-            dictSize = ZDICT_trainFromBuffer_unsafe_legacy(dictBuffer, maxDictSize,
-                                                           srcBuffer, sampleSizes, fs.nbSamples,
-                                                           *params);
+            dictSize = ZDICT_trainFromBuffer_legacy(dictBuffer, maxDictSize,
+                                                    srcBuffer, sampleSizes, fs.nbSamples,
+                                                    *params);
         } else if (coverParams) {
             if (optimize) {
               dictSize = ZDICT_optimizeTrainFromBuffer_cover(dictBuffer, maxDictSize,