[Solution] Warning: Tracefile events are not sorted by time

Reference: [patch] NAM Time precison and wireless packet coloring (cmu-trace.cc)

Problem: NS2 shows the "Warning: Tracefile events are not sorted by time" warning.

Solution: Modify file "ns-allinone-2.32/ns-2.32/trace/cmutrace.cc"

Any %.9f characters in the file change to "TIME_FORMAT" characters.