Merge pull request #3694 from denis-sh/ws-fixup-pull-3687

[Whitespace] Replace tab with spaces.

Author: 9rnsr

src/backend/melf.h

@@ -40,7 +40,7 @@ typedef struct
             #define ELFOSABI_NETBSD     2
             #define ELFOSABI_LINUX      3
             #define ELFOSABI_FREEBSD    9
-            #define ELFOSABI_OPENBSD	12
+            #define ELFOSABI_OPENBSD    12
             #define ELFOSABI_ARM        97      /* ARM */
             #define ELFOSABI_STANDALONE 255     /* Standalone/embedded */