time: Move time related functions to separate files

src/libstrongswan/Makefile.am

@@ -39,7 +39,7 @@ utils/utils.c utils/chunk.c utils/debug.c utils/enum.c utils/identification.c \
 utils/lexparser.c utils/optionsfrom.c utils/capabilities.c utils/backtrace.c \
 utils/parser_helper.c utils/test.c utils/process.c utils/utils/strerror.c \
 utils/utils/atomics.c utils/utils/string.c utils/utils/memory.c \
-utils/utils/tty.c utils/utils/path.c utils/utils/status.c
+utils/utils/tty.c utils/utils/path.c utils/utils/status.c utils/utils/time.c
 
 if !USE_WINDOWS
   libstrongswan_la_SOURCES += \
@@ -111,7 +111,7 @@ utils/parser_helper.h utils/test.h utils/integrity_checker.h utils/process.h \
 utils/utils/strerror.h utils/compat/windows.h utils/compat/apple.h \
 utils/utils/atomics.h utils/utils/types.h utils/utils/byteorder.h \
 utils/utils/string.h utils/utils/memory.h utils/utils/tty.h utils/utils/path.h \
-utils/utils/status.h utils/utils/object.h
+utils/utils/status.h utils/utils/object.h utils/utils/time.h
 endif
 
 library.lo :	$(top_builddir)/config.status