Merge pull request #43 from szhorvat/fix/cleanup

Cleanup and fix some memory leaks

src/gss.c

@@ -57,7 +57,7 @@ void gss_parameter_init(gss_parameter_t *param) {
     memcpy(param, &_defparam, sizeof(*param));
 }
 
-unsigned short int gss_get_warning_flag() {
+unsigned short int gss_get_warning_flag(void) {
     return gss_i_warning_flag;
 }
 

src/gss.h

@@ -129,7 +129,7 @@ int gss(double a, double b, double *min, double *fmin,
  * The warning flag is 1 if the last optimization was run on a function that
  * was not U-shaped.
  */
-unsigned short int gss_get_warning_flag();
+unsigned short int gss_get_warning_flag(void);
 
 /**
  * Initialize GSS parameters to the default values.

src/lbfgs.c

@@ -70,7 +70,6 @@ licence.
 #endif
 
 #include <stdio.h>
-#include <stdlib.h>
 #include <math.h>
 
 #include "lbfgs.h"

src/platform.c

@@ -33,4 +33,4 @@ inline double _plfit_round(double x) {
 
 /* Dummy function to prevent a warning when compiling with Clang - the file
  * would contain no symbols */
-void _plfit_i_unused() {}
+void _plfit_i_unused(void) {}