Fixed memory leaks in new decoder

lib/include/srslte/phy/fec/turbodecoder_win.h

@@ -603,10 +603,12 @@ int MAKE_FUNC(init)(void **hh, uint32_t max_long_cb)
 void MAKE_FUNC(free)(void *hh)
 {
   MAKE_TYPE *h = (MAKE_TYPE*) hh;
-  if (h->beta) {
-    free(h->beta);
+  if (h) {
+    if (h->beta) {
+      free(h->beta);
+    }
+    free(h);
   }
-  bzero(h, sizeof(MAKE_TYPE));
 }
 
 void MAKE_FUNC(dec)(void *hh, llr_t *input, llr_t *app, llr_t *parity, llr_t *output, uint32_t long_cb)

lib/src/phy/fec/turbodecoder_gen.c

@@ -215,10 +215,12 @@ int tdec_gen_init(void **hh, uint32_t max_long_cb)
 void tdec_gen_free(void *hh)
 {
   tdec_gen_t *h = (tdec_gen_t*) hh;
-  if (h->beta) {
-    free(h->beta);
+  if (h) {
+    if (h->beta) {
+      free(h->beta);
+    }
+    free(h);
   }
-  bzero(h, sizeof(tdec_gen_t));
 }
 
 void tdec_gen_dec(void *hh, int16_t *input, int16_t *app, int16_t *parity, int16_t *output, uint32_t long_cb)

lib/src/phy/fec/turbodecoder_sse.c

@@ -379,13 +379,15 @@ void tdec_sse_free(void *hh)
 {
   tdec_sse_t *h = (tdec_sse_t*) hh;
 
-  if (h->alpha) {
-    free(h->alpha);
-  }
-  if (h->branch) {
-    free(h->branch);
+  if (h) {
+    if (h->alpha) {
+      free(h->alpha);
+    }
+    if (h->branch) {
+      free(h->branch);
+    }
+    free(h);
   }
-  bzero(h, sizeof(tdec_sse_t));
 }
 
 /* Runs one instance of a decoder */