Move IEEE754 support code to lib/

It's not strictly core code.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/Makefile b/Makefile
index 8b8898c..6a3f85b 100644
--- a/Makefile
+++ b/Makefile
@@ -12,9 +12,9 @@
 SOURCE = gettime.c fio.c ioengines.c init.c stat.c log.c time.c filesetup.c \
 		eta.c verify.c memory.c io_u.c parse.c mutex.c options.c \
 		rbtree.c smalloc.c filehash.c profile.c debug.c lib/rand.c \
-		lib/num2str.c $(wildcard crc/*.c) engines/cpu.c \
+		lib/num2str.c lib/ieee754.c $(wildcard crc/*.c) engines/cpu.c \
 		engines/mmap.c engines/sync.c engines/null.c engines/net.c \
-		memalign.c server.c client.c iolog.c ieee754.c
+		memalign.c server.c client.c iolog.c
 
 ifeq ($(UNAME), Linux)
   SOURCE += diskutil.c fifo.c blktrace.c helpers.c cgroup.c trim.c \
diff --git a/iolog.h b/iolog.h
index a523d4d..53bb66c 100644
--- a/iolog.h
+++ b/iolog.h
@@ -1,7 +1,7 @@
 #ifndef FIO_IOLOG_H
 #define FIO_IOLOG_H
 
-#include "ieee754.h"
+#include "lib/ieee754.h"
 
 /*
  * Use for maintaining statistics
diff --git a/ieee754.c b/lib/ieee754.c
similarity index 100%
rename from ieee754.c
rename to lib/ieee754.c
diff --git a/ieee754.h b/lib/ieee754.h
similarity index 100%
rename from ieee754.h
rename to lib/ieee754.h
diff --git a/server.c b/server.c
index 9cbe555..e7a9057 100644
--- a/server.c
+++ b/server.c
@@ -20,7 +20,7 @@
 #include "fio.h"
 #include "server.h"
 #include "crc/crc16.h"
-#include "ieee754.h"
+#include "lib/ieee754.h"
 
 #include "fio_version.h"
 
diff --git a/stat.c b/stat.c
index 558464f..a053c8b 100644
--- a/stat.c
+++ b/stat.c
@@ -9,7 +9,7 @@
 
 #include "fio.h"
 #include "diskutil.h"
-#include "ieee754.h"
+#include "lib/ieee754.h"
 
 void update_rusage_stat(struct thread_data *td)
 {