remove trailing whitespace causing ci error

Author: beepster4096

src/shims/foreign_items.rs

@@ -403,7 +403,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
 
                 return this.emulate_allocator(Symbol::intern("__rg_alloc"), |this| {
                     Self::check_alloc_request(size, align)?;
-                    
+
                     let ptr = this.memory.allocate(
                         Size::from_bytes(size),
                         Align::from_bytes(align).unwrap(),
@@ -420,7 +420,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
 
                 return this.emulate_allocator(Symbol::intern("__rg_alloc_zeroed"), |this| {
                     Self::check_alloc_request(size, align)?;
-                    
+
                     let ptr = this.memory.allocate(
                         Size::from_bytes(size),
                         Align::from_bytes(align).unwrap(),
@@ -457,7 +457,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
 
                 return this.emulate_allocator(Symbol::intern("__rg_realloc"), |this| {
                     Self::check_alloc_request(new_size, align)?;
-                    
+
                     let align = Align::from_bytes(align).unwrap();
                     let new_ptr = this.memory.reallocate(
                         ptr,