release SolarMutex after successful tryToAcquire()
release SolarMutex after successful tryToAcquire()

tryToAcquire() locks if successful, so unlock when leaving

Change-Id: Ic0bd4b10ccb8419dd40946dbaf393a27e413bf2d

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core