[gimp] INSTALL: typo or agreement fix. s/This options/This option/

[Jehan Pagès <jehanp src gnome org>]

commit 8bd53dc09fc12076ab1dfde84fbfc2d8aa00bbea
Author: Jehan <jehan girinstud io>
Date:   Thu Jun 2 12:38:28 2016 +0200

    INSTALL: typo or agreement fix. s/This options/This option/

 INSTALL.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/INSTALL.in b/INSTALL.in
index 17dadf1..ef4bbde 100644
--- a/INSTALL.in
+++ b/INSTALL.in
@@ -203,7 +203,7 @@ These are:
      on. The default is for debugging to be disabled. NOTE: This
      option is intended primarily as a convenience for developers.
 
-  --enable-profile and --disable-profile. This options causes the build
+  --enable-profile and --disable-profile. This option causes the build
      process to compile with execution profiling enabled. The default is
      for profiling to be disabled. NOTE: This option is intended primarily
      as a convenience for developers.