int ppc_SHA1_Update(ppc_SHA_CTX *c, const void *p, unsigned long n);
int ppc_SHA1_Final(unsigned char *hash, ppc_SHA_CTX *c);
-#define git_SHA_CTX ppc_SHA_CTX
-#define git_SHA1_Init ppc_SHA1_Init
-#define git_SHA1_Update ppc_SHA1_Update
-#define git_SHA1_Final ppc_SHA1_Final
+#define platform_SHA_CTX ppc_SHA_CTX
+#define platform_SHA1_Init ppc_SHA1_Init
+#define platform_SHA1_Update ppc_SHA1_Update
+#define platform_SHA1_Final ppc_SHA1_Final