Small Issue in FakeTimeService.c

[FreekyFrank]

Unless you were trying to test us all I guess the following represents a small finger issue!
Thanks for the great work
Frank

compiling FakeTimeService.c
tests/HomeAutomation/FakeTimeService.c: In function ‘FakeTimeService_MinuteIsUp’:
tests/HomeAutomation/FakeTimeService.c:48:3: error: this ‘if’ clause does not guard... [-Werror=misleading-indentation]
48 | if (callback != NULL);
| ^~
tests/HomeAutomation/FakeTimeService.c:49:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
49 | callback();
| ^~~~~~~~
cc1: all warnings being treated as errors
make: *** [/home/fsmith/code/test-driven-development-for-embeded-c-james-w-grenning/cpputest/build/MakefileWorker.mk:564: objs/tests/HomeAutomation/FakeTimeService.o] Error 1