qmake: remove flag from build date definition

Signed-off-by: Claudiu Pop <[email protected]>

Author: claudiupop

pixelpulse2.pro

@@ -26,7 +26,7 @@ QMAKE_CXXFLAGS_DEBUG += -ggdb
 CFLAGS += -v -static -static-libgcc -static-libstdc++ -g
 
 DEFINES += GIT_VERSION='"\\\"$(shell git -C $$PWD describe --always --tags --abbrev)\\\""'
-DEFINES += BUILD_DATE='"\\\"$(shell date /t +%F)\\\""'
+DEFINES += BUILD_DATE='"\\\"$(shell date +%F)\\\""'
 
 SOURCES += main.cpp \
     SMU.cpp \