13b4184b2e434953f411f20dd87104f99b550275
hiram
  Fri Oct 2 11:53:27 2015 -0700
fixup gcc warnings for -Wunused-but-set-variable refs #16121

diff --git src/hg/lib/sqlProg.c src/hg/lib/sqlProg.c
index a79a0ac..088e080 100644
--- src/hg/lib/sqlProg.c
+++ src/hg/lib/sqlProg.c
@@ -181,49 +181,50 @@
 	safef(homePath, sizeof homePath, "%s/%s", homeDir, file->name);
 	remove(homePath);
 	}
     }
 slFreeList(&fileList);
 }
 
 void sqlExecProgProfile(char *profile, char *prog, char **progArgs, int userArgc, char *userArgv[])
 /* 
  * Exec one of the sql programs using user and password defined in localDb.XXX variables from ~/.hg.conf 
  * progArgs is NULL-terminate array of program-specific arguments to add,
  * which maybe NULL. userArgv are arguments passed in from the command line.
  * The program is execvp-ed, this function does not return. 
  */
 {
-int i, j = 0, nargc=cntArgv(progArgs)+userArgc+6, defaultFileNo, returnStatus;
+int i, j = 0, nargc=cntArgv(progArgs)+userArgc+6, returnStatus;
 pid_t child_id;
 char **nargv, defaultFileName[256], defaultFileArg[256], *homeDir;
 
 // install cleanup signal handlers
 sqlProgInitSigHandlers();
 
 /* Assemble defaults file */
 if ((homeDir = getenv("HOME")) == NULL)
     errAbort("sqlExecProgProfile: HOME is not defined in environment; cannot create temporary password file");
 
 nukeOldCnfs(homeDir);
 // look for special parameter -profile=name
 for (i = 0; i < userArgc; i++)
     if (startsWith("-profile=", userArgv[i]))
 	profile=cloneString(userArgv[i]+strlen("-profile="));
 
 safef(defaultFileName, sizeof(defaultFileName), "%s/.hgsql.cnf-XXXXXX", homeDir);
-defaultFileNo=sqlMakeDefaultsFile(defaultFileName, profile, "client");
+// discard returned fileNo
+(void) sqlMakeDefaultsFile(defaultFileName, profile, "client");
 
 safef(defaultFileArg, sizeof(defaultFileArg), "--defaults-file=%s", defaultFileName);
 
 AllocArray(nargv, nargc);
 
 nargv[j++] = prog;
 nargv[j++] = defaultFileArg;   /* --defaults-file must come before other options */
 if (progArgs != NULL)
     {
     for (i = 0; progArgs[i] != NULL; i++)
         nargv[j++] = progArgs[i];
     }
 for (i = 0; i < userArgc; i++)
     if (!startsWith("-profile=", userArgv[i]))
 	nargv[j++] = userArgv[i];