Change use of LogAnd to If.
Change use of LogAnd to If.

This piece of code previously assumed short-circuiting semantics for LogAnd.

ihc/futhark,mrakgr/futhark,mrakgr/futhark,diku-dk/futhark,HIPERFIT/futhark,diku-dk/futhark,diku-dk/futhark,mrakgr/futhark,HIPERFIT/futhark,diku-dk/futhark,CulpaBS/wbBach,HIPERFIT/futhark,diku-dk/futhark,ihc/futhark,ihc/futhark