powerpc: place EXPORT_SYMBOL macro right after declaration

This fixes the following checkpatch.pl warnings:

WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable
+EXPORT_SYMBOL(kmap_prot);

WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable
+EXPORT_SYMBOL(kmap_pte);

Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>

arch/powerpc/mm/mem.c

@@ -66,10 +66,9 @@ unsigned long long memory_limit;
 
 #ifdef CONFIG_HIGHMEM
 pte_t *kmap_pte;
-pgprot_t kmap_prot;
-
-EXPORT_SYMBOL(kmap_prot);
 EXPORT_SYMBOL(kmap_pte);
+pgprot_t kmap_prot;
+EXPORT_SYMBOL(kmap_prot);
 
 static inline pte_t *virt_to_kpte(unsigned long vaddr)
 {