Use __inline instead of inline

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Use __inline instead of inline

This should let us compile bdiff.c on the other OS.

manifest hash: c1233bb3c7fc060e49dbd2597c122d903797db9e
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mercurial/bdiff.c

@@ -42,7 +42,7 b' struct hunklist {'
 	struct hunk *base, *head;
 };
 
-static inline uint32_t rol32(uint32_t word, unsigned int shift)
+static __inline uint32_t rol32(uint32_t word, unsigned int shift)
 {
         return (word << shift) | (word >> (32 - shift));
 }