namesys/path: Changed error messages to a separate file.

include/ipfs/path/path.h

@@ -1,30 +1,7 @@
 #ifndef IPFS_PATH_H
    #define IPFS_PATH_H
 
-   #ifdef IPFS_PATH_C
-      char *ErrPath[] = {
-         NULL,
-         "ErrAllocFailed",
-         // ErrBadPath is returned when a given path is incorrectly formatted
-         "invalid 'ipfs ref' path",
-         // Paths after a protocol must contain at least one component
-         "path must contain at least one component",
-         "TODO: ErrCidDecode",
-         NULL,
-         "no link named %s under %s"
-      };
-   #else
-      extern char **ErrPath;
-   #endif // IPFS_PATH_C
-
-   enum {
-       ErrAllocFailed = 1,
-       ErrBadPath,
-       ErrNoComponents,
-       ErrCidDecode,
-       ErrNoLink,
-       ErrNoLinkFmt
-   } PathErrs;
+   #include "ipfs/errs.h"
 
    char* ipfs_path_from_cid (struct Cid *c);
    char** ipfs_path_split_n (char *p, char *delim, int n);