[zstdcli] Respect --[no-]compress-literals in benchmark mode

programs/benchzstd.h

@@ -116,6 +116,7 @@ typedef struct {
     unsigned ldmHashLog;
     unsigned ldmBucketSizeLog;
     unsigned ldmHashRateLog;
+    ZSTD_literalCompressionMode_e literalCompressionMode;
 } BMK_advancedParams_t;
 
 /* returns default parameters used by nonAdvanced functions */