Fix typo

Author: gaurav-arya

src/fft.jl

@@ -1070,7 +1070,7 @@ end
 
 AbstractFFTs.ProjectionStyle(::cFFTWPlan) = AbstractFFTs.NoProjectionStyle()
 AbstractFFTs.ProjectionStyle(::rFFTWPlan{T, FORWARD}) where {T} = AbstractFFTs.RealProjectionStyle()
-AbstractFFTs.ProjectionStyle(P::rFFTWPlan{T, BACKWARD}) where {T} = AbstractFFTs.RealInverseProjectionStyle(p.osz[first(P.region)])
+AbstractFFTs.ProjectionStyle(P::rFFTWPlan{T, BACKWARD}) where {T} = AbstractFFTs.RealInverseProjectionStyle(P.osz[first(P.region)])
 AbstractFFTs.ProjectionStyle(P::r2rFFTWPlan) = AbstractFFTs.R2RProjectionStyle(P.kinds)
 
 AbstractFFTs._output_size(p::Plan, ::UnitaryProjectionStyle) = size(p)