TCTI: Fix leak produced in Tss2_TctiLdr_Initialize_Ex

The return code of tctildr_init_context_data was not checked in
Tss2_TctiLdr_Initialize_Ex. The cleanup part of this function was
not executed and so a leak was produced.
Fixes #2842

Signed-off-by: Juergen Repp <juergen_repp@web.de>

src/tss2-tcti/tctildr.c

@@ -525,7 +525,10 @@ Tss2_TctiLdr_Initialize_Ex (const char *name,
     }
 
     *tctiContext = (TSS2_TCTI_CONTEXT *) ldr_ctx;
-    return tctildr_init_context_data(*tctiContext, local_name, local_conf);
+    rc = tctildr_init_context_data(*tctiContext, local_name, local_conf);
+    if (rc == TSS2_RC_SUCCESS) {
+        return rc;
+    }
 
 err:
     if (*tctiContext != NULL) {
@@ -577,7 +580,6 @@ TSS2_RC Tss2_Tcti_TctiLdr_Init (TSS2_TCTI_CONTEXT *tctiContext, size_t *size,
     if (rc != TSS2_RC_SUCCESS) {
         goto free_name_conf;
     }
-
     rc = tctildr_init_context_data(tctiContext, name, conf);
 
 free_name_conf: