[hedgewars] Fix thinko in physfs-devel package name

[Bruno Wolff III]

commit 3bce06d865e13a6ab5a7b98bbe6e6d59cd8dc199
Author: Bruno Wolff III <bruno at wolff.to>
Date:   Sat Jan 3 22:12:39 2015 -0600

    Fix thinko in physfs-devel package name

 hedgewars.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/hedgewars.spec b/hedgewars.spec
index 2f7a058..b24849e 100644
--- a/hedgewars.spec
+++ b/hedgewars.spec
@@ -19,7 +19,7 @@ Patch1:         hedgewars-no-bytestring.patch
 # ghc does not support -dynamic on arm
 BuildRequires:  fpc qt4-devel SDL_mixer-devel SDL_net-devel SDL_image-devel
 BuildRequires:  SDL_ttf-devel openssl-devel cmake desktop-file-utils
-BuildRequires:  libpng-devel libphysfs-devel
+BuildRequires:  libpng-devel physfs-devel
 Requires:       dejavu-sans-fonts wqy-zenhei-fonts hicolor-icon-theme
 # https://bugzilla.redhat.com/show_bug.cgi?id=520400
 # no fpc on s390(x)