Dado el fallo volver a hacer el proceso entero aver que ocurria, creo con el mingw32-make se corrigio el jpeg pero ahora cuando fui a copiarlo QT creator me salta:
Could not find make command: mingw32-make.exe in the build environment
Error while building project servidor (target: Desktop)
When executing build step 'Make'
Could not find make command: mingw32-make.exe in the build environment
Error while building project servidor (target: Desktop)
When executing build step 'Make'