Fix return without value

libpstat.c

@@ -116,7 +116,7 @@ char * pstat_get_binary_path_from_string(char *buffer, const char *pid_value)
    }
    
    if( !pstat_is_running( ps ) ) {
-      return;
+      return buffer;
    }
    
    if( !pstat_is_deleted( ps ) ) {
@@ -138,7 +138,6 @@ char * pstat_get_binary_path_from_string(char *buffer, const char *pid_value)
 
 char * pstat_get_binary_path_from_integer(char *buffer, pid_t pid)
 {
-   pid_t pid = 0;
    int rc = 0; 
    
    struct stat bin_stat;
@@ -155,7 +154,7 @@ char * pstat_get_binary_path_from_integer(char *buffer, pid_t pid)
    }
    
    if( !pstat_is_running( ps ) ) {
-      return;
+      return buffer;
    }
    
    if( !pstat_is_deleted( ps ) ) {