Description of problem:
Boot guest w/o -vnc. qemu-kvm would show 1 extra blank line.

Version-Release number of selected component (if applicable):
qemu-kvm version:
qemu-kvm-rhev-1.5.3-6.el7.x86_64

How reproducible:
100%

Steps to Reproduce:
1.boot guest w/o -vnc
#/usr/libexec/qemu-kvm -monitor stdio
2.
3.

Actual results:
qemu-kvm would show 1 extra blank line 
/usr/libexec/qemu-kvm -monitor stdio
QEMU 1.5.3 monitor - type 'help' for more information
(qemu) VNC server running on `::1:5900'
                                  --- please note, this is extra blank line
(qemu) q


Expected results:
Remove the extra blank line.
/usr/libexec/qemu-kvm -monitor stdio
QEMU 1.5.3 monitor - type 'help' for more information
(qemu) VNC server running on `::1:5900'                               
(qemu) q


Additional info:
1. Tried the same scenario in RHEL6.5(qemu-kvm-0.12.1.2-2.402.el6.x86_64) host.
No extra blank line.

/usr/libexec/qemu-kvm -monitor stdio
VNC server running on `::1:5900'
QEMU 0.12.1 monitor - type 'help' for more information
(qemu) 

2. Boot guest with -vnc
No extra blank line

#/usr/libexec/qemu-kvm -monitor stdio -vnc :10
QEMU 1.5.3 monitor - type 'help' for more information
(qemu)