Fix NSString formatting precision problem with float
Fix NSString formatting precision problem with float

yuhangwang/cocotron,cyclaero/cocotron,yuhangwang/cocotron,JackLian/cocotron,cjwl/cocotron,plasq/cocotron,cjwl/cocotron,JackLian/cocotron,guestOS/guestOS,plasq/cocotron,plasq/cocotron,cneira/cocotron,Suninus/cocotron,crystax/android-vendor-cocotron,Suninus/cocotron,cjwl/cocotron,gemu2015/cocotron-sierra,ruppmatt/cocotron,plasq/cocotron,yuhangwang/cocotron,cyclaero/cocotron,Suninus/cocotron,Suninus/cocotron,ruppmatt/cocotron,guestOS/guestOS,ruppmatt/cocotron,gemu2015/cocotron-sierra,guestOS/guestOS,cyclaero/cocotron,crystax/android-vendor-cocotron,cneira/cocotron,JackLian/cocotron,JackLian/cocotron,ruppmatt/cocotron,cneira/cocotron,crystax/android-vendor-cocotron,gemu2015/cocotron-sierra,crystax/android-vendor-cocotron,cjwl/cocotron,yuhangwang/cocotron,cneira/cocotron,cyclaero/cocotron,gemu2015/cocotron-sierra,guestOS/guestOS