fixed memleak and valgrind warning in StackTracer
fixed memleak and valgrind warning in StackTracer
google-code-export/staff,loentar/staff,gale320/staff,gale320/staff,google-code-export/staff,loentar/staff,gale320/staff,gale320/staff,gale320/staff,google-code-export/staff,loentar/staff,loentar/staff,loentar/staff,google-code-export/staff,gale320/staff,loentar/staff,google-code-export/staff,google-code-export/staff